Chem Stoich : Limiting Reagent Test Review Extra-credit
Authored by rita T
Chemistry
10th Grade
NGSS covered
Used 7+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When 12 moles of O2 reacts with 1.1 mole of C10H8 what is the limiting reactant? C10H8 + 12 O2 --> 10 CO2 + 4 H2O
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
CH4 + 2H2O --> CO2 + 4H2
What is the limiting reactant when 20g CH4 react with 15g H2O?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
SO2 + PCl5 --> SOCl2 + POCl3
How much SOCl2 is produced when 16.2g SO2 react with 13.7g PCl5?
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2 NaCl + Pb(NO3)2 --> 2 NaNO3 + PbCl2
How many grams of lead II chloride are produced from the reaction of 15.3 g of NaCl and 60.8 g of Pb(NO3)2?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4NH3 + 5O2 --> 4NO + 6H2O
How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2Fe2O3 + C → Fe + 3CO2
You add 28 grams of carbon. You find the actual yield to be 181.2 grams of CO2. What is the percent yield of CO2? (Hint: calculate theoretical yield of CO2 first)
15.8%
209.2%
6435%
58.9%
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
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