Review T ConstantsPart BThe reaction between potassium superoxide, KO2,and CO2,How many grams of KO2 are needed to form 8.50 g of O2?4KO2 + 2CO2 → 2K2CO3 + 302Express your answer in grams to three significant figures.is used as a source of O2 and absorber of CO2 in self-contained breathing equipment used by rescueworkers.Πνα ΑΣφ?m =SubmitPrevious Answers Request AnswerX Incorrect; Try Again; 3 attempts remainingUse the molar mass of 02, which has the units g/mol, as a conversion factor between its mass and the number of moles. Then use the coefficients of the balancedchemical equation as a mole-to-mole conversion factor to calculate the number of moles of KO2. Finally, convert the number of moles of KO2 to mass using its molarmass as a conversion factor.Part CHow many grams of CO2 are used when 8.50 g of Oz are produced?Express your answer in grams to three significant figures.να ΑΣφ?m =SubmitRequest AnswerProvide FeedbackNext >P Pearson

1 mole = 6.022×1023 (Avogadro's number) The mass of 1 mole of molecules of a substance is known as…

Part B The reaction between potassium superoxide, KO2. and CO2. How many grams of KO2 are needed to form 8.50 g of O2? 4KO, + 2CO, → 2K,CO3 + 302 Express your answer in grams to three significant figures. is used as a source of Oz and absorber of CO2 in self- contained breathing equipment used by rescue workers. ?

Part B The reaction between potassium superoxide, KO2. and CO2. How many grams of KO2 are needed to form 8.50 g of O2? 4KO, + 2CO, → 2K,CO3 + 302 Express your answer in grams to three significant figures. is used as a source of Oz and absorber of CO2 in self- contained breathing equipment used by rescue workers. ?

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter5: Stoichiometry

Section: Chapter Questions

Problem 72E: Dimethylnitrosamine, (CH3)2N2O , is a carcinogenic (cancer-causing) substance that may be formed in...

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