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Stoichiometry and Chemical Analysis (Section)A 1.248-g

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 90E Chapter 4

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 90E

Problem 90E

Stoichiometry and Chemical Analysis (Section)

A 1.248-g sample of limestone rock is pulverized and then treated with 30.00 mL of 1.035 MHCl solution. The excess acid then requires 11.56 mL of 1.010 M NaOH for neutralization. Calculate the percentage by mass of calcium carbonate in the rock, assuming that it is the only substance reactingwith the HCl solution.

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ACCT2102 April4,2016–April8,2016 Chapter10Notes PerformanceEvaluation Companiesdecentralizetheiroperationsintooperatingsegmentsbasedon • Geographiclines • Productlines • Responsibilitycenters o Cost–compareactualcoststobudgetedcostsusingperformance reports(BVA) o Revenue–compareactualrevenuetobudgetedrevenueusing performancereports(BVA) o Profit–compareactualrevenues,expenses,andprofitstothebudget usingperformancereports(BVA)andsegmentedincomestatements o Investment–determineifassetswereusedefficientlytogenerate profitusingreturnoninvestmentandresidualincome ABVAcomparesactualrevenueandexpensesagainstbudgetedrevenueand expensestocalculateavariance. Whenabudgetispreparedforasinglelevelofactivity,itisastaticbudget. Threedifferentvariancescanbecalculated • Masterbudgetvariance o Differencebetweenactualresultsvs.staticbudget • Flexiblebudgetvariance o Differencebetweenactualresultsvs.flexiblebudget • Volumevariance o Differencebetweenflexiblebudgetvs.staticbudget o Masterbudgetvariance–volumevariance=flexiblebudgetvariance Variancesarelabeledasfavorable(F)orunfavorable(U) • Varianceisallaboutrelationships • Revenue:Actual>Budget(F);ActualBudget(U) Variancesareanalyzedusingmanagementbyexception(materialvs.immaterial) • Doesitmatter o Material▯matters o Immaterial▯doesn’tmatter o Example:abusinesshasamaterialitythresholdof$10,000. ▯ Anyvariancelessthan$10,000doesn’tmatter(immaterial). ▯ Anyvariancegreaterthen$10,000matters(material). Created By: Rachel Moore Not for redistribution. o Noteverycompany/individualhasthesamematerialitythreshold. o Thebiggerthebusiness,thegreaterthethreshold. $6,000(U) $18,000(F) $3,000(F) $10,000(U) $4,000(F) -- 1.Howmanyunitsofoutputdidthecompanyanticipateselling5 2.WhyistheFlexibleBudgetbasedonanoutputof6Actual/results 3.DeterminethebudgetedunitSalesPriceandbudgetedunitVariableCost. = $90,000 ÷ 5 = $18,000 = $50,000 ÷ 5 = $10,000 4.WhyaretheFixedExpensesthesameintheFlexibleBudgetandMasterBudget columnsBecausetheyarefixed. 5.Completethereportandprovideareasonableexplanationforvariancesgreater than$5,000. – = – = ($30 × 20,000)×(40%) − $250,000 = −$10,000 ($45 × 10,000)×(50%) − $100,000 = $125,000 ShouldthemanagerbejudgedontheSMMaybe/maybenot. Themanagerhastohavesomesaysointhecostsforthemanagertobejudged Controlablevs.traceable Created By: Rachel Moore Not for redistribution. ReviewfromMonday&Wednesday: 1.BVA • Variances o Labels ▯ FavorablevsUnfavorable ▯ MaterialvsImmaterial o Types ▯ Master ▯ Flexible ▯ Volume 2.SegmentedIS • – = – = • SMistheamountthatwejudgeoursegmenton. • ControllablevsUncontrollable o Whenjudgingaperson,weneedtoknowwhat’straceableand controllable. o Whenjudgingasegment,weneedtoknowwhatstraceableand common. o Example:Only$200,000oftotal$250,000FCiscontrollable,howdo wejudgethemanagerTheControllableMarginis$50,000higher thantheSegmentMargin. ReturnonInvestment(ROI)measurestheamountofincomeaninvestmentcenter earnsrelativetothesizeofitsassets. = × / = ResidualIncome(RI)determineswhetherthedivisionhascreatedanyexcess incomeaboveandbeyondmanagement’sexpectations. = − ( × ) Created By: Rachel Moore Not for redistribution. PlainROI:11.3% × 1.02 = 11.5% • SalesMargin:$161,000 ÷ $1,423,000 = 11.3% • InvestmentTurnover:$1,423,000 ÷ $1,396,000 = 1.02 PeanutROI:7.4% × 1.61 = 11.9% • SalesMargin:$43,000 ÷ $578,000 = 7.4% • InvestmentTurnover:$578,000 × $360,000 = 1.61 Assumethecompanyhas$10,000inexcessfundstoinvestineitherPlainorPeanut. InwhichdivisionshouldthecompanyinvestPeanut. Assumethecompany’stargetrateofreturnis25%.Computeeachdivision’sRI. Plain:-$188,000 Peanut:-$47,000 Eachmanagerispresentedwithan$100,000investmentopportunitythatwill generateoperatingincomeof$17,000.Thecompany’stargetrateofreturnis15%. InvestmentsROI=17% HurdleRate=15% 1.Theywillreceiveabonusbasedsolelyontheirabilitytoexceedtheirdivision’s priorperiodreturnoninvestment. BrutusROI=18%▯Rejectinvestment;17%islessthan18% NeroROI=16%▯Acceptinvestment;17%ismorethan16% 2.Theywillreceiveabonusbasedsolelyontheirabilitytoexceedtheirdivision’s priorperiodresidualincome. BothacceptbecausetheinvestmenthasapositiveRI. Created By: Rachel Moore Not for redistribution.

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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

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Stoichiometry and Chemical Analysis (Section)A 1.248-g