Question
If the molar Sr/Ca ratio of aragonite (CaCO3) is 8.5 millimoles/mole, what is the concentration of Sr in ppm? Hint: assume that CaCO3 contains a stoichiometric amount of Ca.
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      • Illuminate\Cache\Events\CacheHit (126μs)
      • Illuminate\Cache\Events\CacheHit (107μs)
      • Illuminate\Cache\Events\CacheHit (134μs)
      • Illuminate\Cache\Events\CacheHit (107μs)
      • Illuminate\Cache\Events\CacheHit (123μs)
      • Illuminate\Cache\Events\CacheHit (115μs)
      • Illuminate\Cache\Events\CacheHit (128μs)
      • Illuminate\Cache\Events\CacheHit (112μs)
      • Illuminate\Cache\Events\CacheHit (141μs)
      • Illuminate\Cache\Events\CacheHit (119μs)
      • Illuminate\Cache\Events\CacheHit (130μs)
      • Illuminate\Cache\Events\CacheHit (108μs)
      • Illuminate\Cache\Events\CacheMissed (142μs)
      • Illuminate\Database\Events\StatementPrepared (2.03ms)
      • Illuminate\Database\Events\QueryExecuted (1.04ms)
      • eloquent.retrieved: App\Models\SubjectCat (90μs)
      • Illuminate\Cache\Events\KeyWritten (337μs)
      • Illuminate\Cache\Events\CacheHit (1.22ms)
      • Illuminate\Cache\Events\CacheHit (254μs)
      • Illuminate\Cache\Events\CacheHit (223μs)
      • Illuminate\Cache\Events\CacheHit (155μs)
      • Illuminate\Cache\Events\CacheHit (112μs)
      • Illuminate\Cache\Events\CacheHit (125μs)
      • Illuminate\Cache\Events\CacheHit (160μs)
      • Illuminate\Cache\Events\CacheHit (160μs)
      • Illuminate\Cache\Events\CacheHit (111μs)
      • Illuminate\Cache\Events\CacheHit (125μs)
      • Illuminate\Cache\Events\CacheHit (116μs)
      • Illuminate\Cache\Events\CacheHit (126μs)
      • Illuminate\Cache\Events\CacheHit (102μs)
      • Illuminate\Cache\Events\CacheHit (132μs)
      • Illuminate\Cache\Events\CacheHit (108μs)
      • Illuminate\Cache\Events\CacheHit (120μs)
      • Illuminate\Cache\Events\CacheHit (102μs)
      • creating: site.layouts.app (435μs)
      • composing: site.layouts.app (20μs)
      • creating: components.canonical (397μs)
      • composing: components.canonical (93μs)
      • creating: components.open-graph (170μs)
      • composing: components.open-graph (54μs)
      • creating: site.headers.header (207μs)
      • composing: site.headers.header (54μs)
      • Illuminate\Cache\Events\CacheHit (2.15ms)
      • creating: components.footer (94μs)
      • composing: components.footer (88μs)
      • Illuminate\Cache\Events\CacheHit (700μs)
      • Illuminate\Cache\Events\CacheMissed (270μs)
      • Illuminate\Database\Events\StatementPrepared (921μs)
      • Illuminate\Database\Events\QueryExecuted (1.18ms)
      • eloquent.retrieved: App\Models\SubjectCat (89μs)
      • Illuminate\Cache\Events\KeyWritten (322μs)
      • Illuminate\Cache\Events\CacheHit (309μs)
      • Illuminate\Cache\Events\CacheHit (160μs)
      • Illuminate\Cache\Events\CacheHit (127μs)
      • Illuminate\Cache\Events\CacheHit (115μs)
      • Illuminate\Cache\Events\CacheHit (116μs)
      • Illuminate\Cache\Events\CacheHit (198μs)
      • Illuminate\Cache\Events\CacheHit (254μs)
      • Illuminate\Cache\Events\CacheHit (138μs)
      • Illuminate\Cache\Events\CacheHit (141μs)
      • Illuminate\Cache\Events\CacheHit (131μs)
      • Illuminate\Cache\Events\CacheHit (129μs)
      • Illuminate\Cache\Events\CacheHit (119μs)
      • creating: components.forms.contact-us (214μs)
      • composing: components.forms.contact-us (124μs)
      • creating: components.forms.get-started (128μs)
      • composing: components.forms.get-started (88μs)
      • creating: components.forms.free-tool-download (95μs)
      • composing: components.forms.free-tool-download (51μs)
      • creating: components.forms.claim-free-worksheet (87μs)
      • composing: components.forms.claim-free-worksheet (41μs)
      • creating: components.forms.tutor-subscription-waitlist (98μs)
      • composing: components.forms.tutor-subscription-waitlist (120μs)
      • creating: components.forms.tutor-subscription-join (98μs)
      • composing: components.forms.tutor-subscription-join (44μs)
      • creating: components.forms.tutor-support (82μs)
      • composing: components.forms.tutor-support (40μs)
      • 315 x Illuminate\Cache\Events\CacheHit (15.97%)
        64.39ms
        13 x Illuminate\Cache\Events\KeyWritten (13.69%)
        55.19ms
        25 x Illuminate\Database\Events\QueryExecuted (11.01%)
        44.38ms
        25 x Illuminate\Database\Events\StatementPrepared (9.25%)
        37.31ms
        13 x Illuminate\Cache\Events\CacheMissed (1.98%)
        7.98ms
        1 x Illuminate\Foundation\Events\LocaleUpdated (1.61%)
        6.48ms
        1 x creating: homework.show (0.71%)
        2.85ms
        1 x Illuminate\Routing\Events\RouteMatched (0.51%)
        2.04ms
        1 x eloquent.booting: App\Models\SubjectCat (0.49%)
        1.99ms
        1 x eloquent.booting: App\Models\User\TutorAttributes\TutorDegree (0.32%)
        1.29ms
        1 x eloquent.booting: App\Models\HomeworkLibrary\HomeworkLibraryFile (0.29%)
        1.15ms
        2 x Illuminate\Database\Events\ConnectionEstablished (0.23%)
        940μs
        12 x eloquent.retrieved: App\Models\SubjectCat (0.22%)
        884μs
        1 x Illuminate\Routing\Events\Routing (0.21%)
        846μs
        1 x creating: components.breadcrumbs (0.17%)
        694μs
        1 x creating: site.layouts.app (0.11%)
        435μs
        1 x creating: components.canonical (0.1%)
        397μs
        7 x eloquent.retrieved: App\Models\HomeworkLibrary\HomeworkLibrary (0.06%)
        249μs
        6 x eloquent.retrieved: App\Models\HomeworkLibrary\HomeworkLibraryFile (0.06%)
        222μs
        1 x creating: components.forms.contact-us (0.05%)
        214μs
        1 x creating: site.headers.header (0.05%)
        207μs
        2 x eloquent.retrieved: App\Models\Subject (0.05%)
        192μs
        1 x creating: components.open-graph (0.04%)
        170μs
        1 x eloquent.booting: App\Models\User\Tutor (0.04%)
        164μs
        1 x eloquent.booting: App\Models\HomeworkLibrary\HomeworkLibrary (0.04%)
        158μs
        3 x eloquent.retrieved: App\Models\User\Tutor (0.04%)
        149μs
        1 x eloquent.booted: App\Models\HomeworkLibrary\HomeworkLibrary (0.03%)
        135μs
        1 x creating: components.forms.get-started (0.03%)
        128μs
        1 x composing: components.forms.contact-us (0.03%)
        124μs
        1 x composing: components.forms.tutor-subscription-waitlist (0.03%)
        120μs
        1 x composing: homework.show (0.03%)
        119μs
        1 x composing: components.breadcrumbs (0.03%)
        116μs
        1 x eloquent.booted: App\Models\User\Tutor (0.03%)
        113μs
        1 x creating: components.forms.tutor-subscription-waitlist (0.02%)
        98μs
        1 x creating: components.forms.tutor-subscription-join (0.02%)
        98μs
        1 x creating: components.forms.free-tool-download (0.02%)
        95μs
        1 x creating: components.footer (0.02%)
        94μs
        1 x composing: components.canonical (0.02%)
        93μs
        1 x composing: components.footer (0.02%)
        88μs
        1 x composing: components.forms.get-started (0.02%)
        88μs
        1 x eloquent.booting: App\Models\Subject (0.02%)
        87μs
        1 x creating: components.forms.claim-free-worksheet (0.02%)
        87μs
        1 x creating: components.forms.tutor-support (0.02%)
        82μs
        1 x eloquent.booted: App\Models\SubjectCat (0.01%)
        55μs
        1 x composing: components.open-graph (0.01%)
        54μs
        1 x composing: site.headers.header (0.01%)
        54μs
        1 x eloquent.booted: App\Models\User\TutorAttributes\TutorDegree (0.01%)
        51μs
        1 x composing: components.forms.free-tool-download (0.01%)
        51μs
        1 x eloquent.booted: App\Models\HomeworkLibrary\HomeworkLibraryFile (0.01%)
        47μs
        1 x composing: components.forms.tutor-subscription-join (0.01%)
        44μs
        1 x eloquent.booted: App\Models\Subject (0.01%)
        41μs
        1 x composing: components.forms.claim-free-worksheet (0.01%)
        41μs
        1 x composing: components.forms.tutor-support (0.01%)
        40μs
        1 x composing: site.layouts.app (0%)
        20μs
      14 templates were rendered
      • 1x homework.showshow.blade.phpblade
      • 1x components.breadcrumbsbreadcrumbs.blade.phpblade
      • 1x site.layouts.appapp.blade.phpblade
      • 1x components.canonicalcanonical.blade.phpblade
      • 1x components.open-graphopen-graph.blade.phpblade
      • 1x site.headers.headerheader.blade.phpblade
      • 1x components.footerfooter.blade.phpblade
      • 1x components.forms.contact-uscontact-us.blade.phpblade
      • 1x components.forms.get-startedget-started.blade.phpblade
      • 1x components.forms.free-tool-downloadfree-tool-download.blade.phpblade
      • 1x components.forms.claim-free-worksheetclaim-free-worksheet.blade.phpblade
      • 1x components.forms.tutor-subscription-waitlisttutor-subscription-waitlist.blade.phpblade
      • 1x components.forms.tutor-subscription-jointutor-subscription-join.blade.phpblade
      • 1x components.forms.tutor-supporttutor-support.blade.phpblade
      uri
      GET college-homework-library/{category}/{subject}/{id}
      middleware
      web, utm.parameters
      controller
      App\Http\Controllers\HomeworkLibraryController@show
      namespace
      where
      as
      homework.show
      file
      app/Http/Controllers/HomeworkLibraryController.php:79-176
      25 statements were executed, 5 of which were duplicates, 20 unique. Show only duplicated63.81ms
      • Connection Establishedtwenty4_siteHomeworkLibraryController.php#91
        Backtrace
        • 13. app/Http/Controllers/HomeworkLibraryController.php:91
        • 14. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 15. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
        • 16. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
        • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
      • select * from `solutionslibrary` where `status` = 'published' and `price` > 0 and `solutionslibrary`.`id` = '57459' limit 1
        10.73mstwenty4_siteHomeworkLibraryController.php#97
        Bindings
        • 0: published
        • 1: 0
        • 2: 57459
        Backtrace
        • 16. app/Http/Controllers/HomeworkLibraryController.php:97
        • 17. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 18. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
        • 19. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
        • 20. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
      • select * from `subjects` where `subjects`.`id` in (13)
        1.05mstwenty4_siteHomeworkLibraryController.php#97
        Backtrace
        • 21. app/Http/Controllers/HomeworkLibraryController.php:97
        • 22. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 23. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
        • 24. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
        • 25. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
      • select * from `solutionslibrary_files` where `solutionslibrary_files`.`solutionlib_id` in (57459)
        3.9mstwenty4_siteHomeworkLibraryController.php#97
        Backtrace
        • 21. app/Http/Controllers/HomeworkLibraryController.php:97
        • 22. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 23. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
        • 24. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
        • 25. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
      • select * from `subject_cats` where `subject_cats`.`id` = 36 limit 1
        1.2mstwenty4_siteHomeworkLibrary.php#201
        Bindings
        • 0: 36
        Backtrace
        • 20. app/Models/HomeworkLibrary/HomeworkLibrary.php:201
        • 26. app/Http/Controllers/HomeworkLibraryController.php:105
        • 27. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 28. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
        • 29. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
      • Connection Establishedtwenty4_siteHomeworkLibraryController.php#124
        Backtrace
        • 13. app/Http/Controllers/HomeworkLibraryController.php:124
        • 14. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 15. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 17. app/Http/Controllers/HomeworkLibraryController.php:136
        • 18. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • select * from `users` where `disable_profile` = 0 and `picture` != '' and `solutionrequestQualified` = 1 and `is_suspended` = 0 and `is_deactivated` = 0 and `status` != '' and `status` = 'tutor' order by `completed_requests` desc limit 3
        16.25mstwenty4_siteHomeworkLibraryController.php#128
        Bindings
        • 0: 0
        • 1: 
        • 2: 1
        • 3: 0
        • 4: 0
        • 5: 
        • 6: tutor
        Backtrace
        • 14. app/Http/Controllers/HomeworkLibraryController.php:128
        • 15. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 16. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 18. app/Http/Controllers/HomeworkLibraryController.php:136
        • 19. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • select * from `tutor_degrees` where `tutor_degrees`.`tutor_id` = 6002 and `tutor_degrees`.`tutor_id` is not null order by `year` desc limit 1
        1.08mstwenty4_siteTutor.php#361
        Bindings
        • 0: 6002
        Backtrace
        • 18. app/Models/User/Tutor.php:361
        • 19. app/Transformers/Tutor/TutorTransformer.php:74
        • 22. vendor/league/fractal/src/TransformerAbstract.php:128
        • 23. vendor/league/fractal/src/TransformerAbstract.php:107
        • 24. vendor/league/fractal/src/Scope.php:383
      • select * from `tutor_degrees` where `tutor_degrees`.`tutor_id` = 2821 and `tutor_degrees`.`tutor_id` is not null order by `year` desc limit 1
        990μstwenty4_siteTutor.php#361
        Bindings
        • 0: 2821
        Backtrace
        • 18. app/Models/User/Tutor.php:361
        • 19. app/Transformers/Tutor/TutorTransformer.php:74
        • 22. vendor/league/fractal/src/TransformerAbstract.php:128
        • 23. vendor/league/fractal/src/TransformerAbstract.php:107
        • 24. vendor/league/fractal/src/Scope.php:383
      • select * from `tutor_degrees` where `tutor_degrees`.`tutor_id` = 6531 and `tutor_degrees`.`tutor_id` is not null order by `year` desc limit 1
        1.05mstwenty4_siteTutor.php#361
        Bindings
        • 0: 6531
        Backtrace
        • 18. app/Models/User/Tutor.php:361
        • 19. app/Transformers/Tutor/TutorTransformer.php:74
        • 22. vendor/league/fractal/src/TransformerAbstract.php:128
        • 23. vendor/league/fractal/src/TransformerAbstract.php:107
        • 24. vendor/league/fractal/src/Scope.php:383
      • select * from `solutionslibrary` where `id` <> 57459 and `subject` = 13 and `status` = 'published' and `price` > 0 order by RAND() limit 6
        8.28mstwenty4_siteHomeworkLibraryRepository.php#30
        Bindings
        • 0: 57459
        • 1: 13
        • 2: published
        • 3: 0
        Backtrace
        • 14. app/Repositories/HomeworkLibraryRepository.php:30
        • 15. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 16. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 18. app/Repositories/HomeworkLibraryRepository.php:39
        • 19. app/Http/Controllers/HomeworkLibraryController.php:139
      • select * from `subjects` where `subjects`.`id` in (13)
        1.01mstwenty4_siteHomeworkLibraryRepository.php#30
        Backtrace
        • 19. app/Repositories/HomeworkLibraryRepository.php:30
        • 20. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 21. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 23. app/Repositories/HomeworkLibraryRepository.php:39
        • 24. app/Http/Controllers/HomeworkLibraryController.php:139
      • select * from `solutionslibrary_files` where `solutionslibrary_files`.`solutionlib_id` = 57459 and `solutionslibrary_files`.`solutionlib_id` is not null and `publish` = 'question' order by `order` asc, `id` asc
        1.06mstwenty4_siteHomeworkLibrary.php#260
        Bindings
        • 0: 57459
        • 1: question
        Backtrace
        • 15. app/Models/HomeworkLibrary/HomeworkLibrary.php:260
        • 16. app/Transformers/HomeworkLibrary/HomeworkLibraryTransformer.php:58
        • 19. vendor/league/fractal/src/TransformerAbstract.php:128
        • 20. vendor/league/fractal/src/TransformerAbstract.php:107
        • 21. vendor/league/fractal/src/Scope.php:383
      • select * from `solutionslibrary_files` where `solutionslibrary_files`.`solutionlib_id` = 57459 and `solutionslibrary_files`.`solutionlib_id` is not null and `publish` = 'teaser' order by `order` asc, `id` asc
        1.22mstwenty4_siteHomeworkLibrary.php#260
        Bindings
        • 0: 57459
        • 1: teaser
        Backtrace
        • 15. app/Models/HomeworkLibrary/HomeworkLibrary.php:260
        • 16. app/Transformers/HomeworkLibrary/HomeworkLibraryTransformer.php:69
        • 19. vendor/league/fractal/src/TransformerAbstract.php:128
        • 20. vendor/league/fractal/src/TransformerAbstract.php:107
        • 21. vendor/league/fractal/src/Scope.php:383
      • select * from `solutionslibrary_files` where `solutionslibrary_files`.`solutionlib_id` = 57459 and `solutionslibrary_files`.`solutionlib_id` is not null and `publish` = 'solution' order by `order` asc, `id` asc
        1.13mstwenty4_siteHomeworkLibrary.php#260
        Bindings
        • 0: 57459
        • 1: solution
        Backtrace
        • 15. app/Models/HomeworkLibrary/HomeworkLibrary.php:260
        • 16. app/Transformers/HomeworkLibrary/HomeworkLibraryTransformer.php:80
        • 19. vendor/league/fractal/src/TransformerAbstract.php:128
        • 20. vendor/league/fractal/src/TransformerAbstract.php:107
        • 21. vendor/league/fractal/src/Scope.php:383
      • select count(*) as aggregate from `users` where `disable_profile` = 0 and `picture` != '' and `solutionrequestQualified` = 1 and `is_suspended` = 0 and `is_deactivated` = 0 and `status` != '' and `status` = 'tutor'
        830μstwenty4_siteTutor.php#479
        Bindings
        • 0: 0
        • 1: 
        • 2: 1
        • 3: 0
        • 4: 0
        • 5: 
        • 6: tutor
        Backtrace
        • 15. app/Models/User/Tutor.php:479
        • 16. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 17. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 19. app/Models/User/Tutor.php:480
        • 20. app/Http/Controllers/HomeworkLibraryController.php:169
      • select * from `subject_cats` where `subject_cats`.`id` = 36 limit 1
        1.1mstwenty4_siteHomeworkLibrary.php#201
        Bindings
        • 0: 36
        Backtrace
        • 20. app/Models/HomeworkLibrary/HomeworkLibrary.php:201
        • 32. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110
        • 33. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
        • 34. vendor/livewire/livewire/src/ComponentConcerns/RendersLivewireComponents.php:69
        • 35. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:70
      • select * from `subject_cats` where `subject_cats`.`id` = 1 limit 1
        920μstwenty4_siteSubject.php#100
        Bindings
        • 0: 1
        Backtrace
        • 18. app/Models/Subject.php:100
        • 19. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 20. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 22. app/Models/Subject.php:101
        • 34. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110
      • select * from `subject_cats` where `subject_cats`.`id` = 3 limit 1
        1.23mstwenty4_siteSubject.php#100
        Bindings
        • 0: 3
        Backtrace
        • 18. app/Models/Subject.php:100
        • 19. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 20. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 22. app/Models/Subject.php:101
        • 34. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110
      • select * from `subject_cats` where `subject_cats`.`id` = 4 limit 1
        960μstwenty4_siteSubject.php#100
        Bindings
        • 0: 4
        Backtrace
        • 18. app/Models/Subject.php:100
        • 19. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 20. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 22. app/Models/Subject.php:101
        • 34. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110
      • select * from `subject_cats` where `subject_cats`.`id` = 10 limit 1
        1.14mstwenty4_siteSubject.php#100
        Bindings
        • 0: 10
        Backtrace
        • 18. app/Models/Subject.php:100
        • 19. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 20. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 22. app/Models/Subject.php:101
        • 34. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110
      • select * from `subject_cats` where `subject_cats`.`id` = 33 limit 1
        1.12mstwenty4_siteSubject.php#100
        Bindings
        • 0: 33
        Backtrace
        • 18. app/Models/Subject.php:100
        • 19. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 20. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 22. app/Models/Subject.php:101
        • 34. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110
      • select * from `subject_cats` where `subject_cats`.`id` = 11 limit 1
        1.2mstwenty4_siteSubject.php#100
        Bindings
        • 0: 11
        Backtrace
        • 18. app/Models/Subject.php:100
        • 19. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 20. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 22. app/Models/Subject.php:101
        • 34. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:110
      • select * from `subject_cats` where `subject_cats`.`id` = 5 limit 1
        1.1mstwenty4_siteSubject.php#100
        Bindings
        • 0: 5
        Backtrace
        • 18. app/Models/Subject.php:100
        • 19. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
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