University:
Missouri State University
Course:
CHM 160 | General Chemistry I
Academic year:

2020
Views:

469

Pages:

2
Author:

Dawson Thornton

Stoichiometry Worksheet 1. N*a_{2}*Si*O_{3}(s) + 8HF(aq) -> H_{2}*Si*F_{6}(aq) + 2NaF(aq) + 3H_{2}*O(1) a. How many moles of HF are needed to react with 0.300 mol of Na2SiO SiOs Emad HF O 300 mol Nay SiOs& 2.40 mb mol HF b. How many grams of NaF form when 0.500 mol of HF reacts with excess Na2SiO3? 0.500 ml HF/2 2 mel Naf 41.9889 Nof S mol Hf I mel Naf 5.25 g Naf c. How many grams of Na2SiO3 can react with 0.800 g of HF? 0.800gHf mail Itf SH 1122.0417y Newsics=0.6109 11 mol NagSC 1122 120.008 HF 8 mol Hf mol May 2. C_{6}*H_{12}*O_{6}(aq) -> 2C_{2}*H_{5}*OH(aq) + 2C*O_{2}(g) a. How many moles of C*O_{2} are produced when 0.400 mol of C_{6}*H_{12}*O_{6} reacts in this fashion? 0.400 mol G 12 mol CO2 0.800 mol CO₂ b. How many grams of C_{6}*H_{12}*O_{6} are needed to form 7.50 g of C2H5OH? 7.50g C2H5OH/mal Calto ott 46.0 11 mol Crel2016/180.1 Catgott a mad al애 mat Colty Ou c. How many grams of CO2 form when 7.50 g of C2H5OH are produced? 7.50g Ho 46.06889C280412 3. F*e_{2}*O_{3}(s) + 3CO(g) 2Fe(s) mp CO 2 (g) (unbalanced!) a. Calculate the number of grams of CO that can react with 0.150 kg of Fe2O3 6.150 kg Fe 1000g fests /mel feaos ig teos 169.69229f0s llinatgos medios\ b. Calculate the number of grams of Fe and the number of grams of CO₂ formed when 0.150 kg of Fe2O3 reacts ng 12 mol Fe 166.847gfe: 105 0.150 150 2009 fejos / imel Feros lan Kg Fej05 159.6922y fess I nelfej os mel fe g fe 0.180 ng fes 03/200 gfesos mal feros -13mal cos 144.0098 y2=124 4.2 NaOH (s) + CO2 (g) → Na2CO3 (s) + H2O (1) Imed cod L.R NaOH a. Which reagent is the limiting reactant when 1.85 mol NaOH and 1.00 mol CO2 are allowed to react? 1.85 mol NaOH/Imel Nascos 2 mel Naot 1.00 mol cos/Imad Nacos I mol CO 0.925 mol MgCO3 L.R 1.00 mal May C excess b. How many moles of Na2CO3 can be produced? 0.925 mol Na2CO3 5. C6H6 + Br₂→ C6H5Br + HBг R a. What is the theoretical yield of CoHsBr in this reaction when 30.0 g of C6H6 reacts with 65.0 g or Br₂? L.R 30.0g Collect mal Cuts or 157.615 C59.5 mal Groltu 179.11349Golomel 79.113496 Colo 157.00959 Mol Caltagir Imel Bra Imel Cultsße 1157.0095g Colts 05. Og Bra 159.808 /1 mel Bo Imed Cults B 63.99 Cotto Br b. If the actual yield of C6H5Br was 56.7 g, what is the percent yield? do yield= 56.79 59.59 100 = 95.3%