
Stoichiometry Review
Authored by Stephanie Earhart
Chemistry
11th Grade
NGSS covered
Used 14+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the balanced equation and the Molar Mass table above to answer the following question.
How much Ca3(PO4)2(s) could be produced in an industrial process if 55.00 g of CaCl2 in solution reacted completely with sufficient Na3(PO4)(aq)?
310.2 g
155.1 g
103.4 g
51.70 g
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon tetrachloride is a solvent which is used as a refrigerant and also as a cleaning agent. Today, methane and chlorine are mainly used to produce carbon tetrachloride:
CH4 + 4Cl2 → CCl4 + 4HCl
How many grams of carbon tetrachloride can be produced from reacting 709.0 grams of chlorine (Cl2) with excess methane?
3.845 g
61.53 g
384.5 g
6153 g
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the reaction HCl + NaOH → NaCl + H2O which reactant is the limiting reactant given 100.0 g of sodium hydroxide and 100.0 g of hydrochloric acid?
Hydrochloric acid
Sodium hydroxide
Sodium chloride
Water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction A + B → C + D, if element B is in excess, then —
A is the limiting reactant
B is the limiting reactant
C is the limiting reactant
Both A and B are limiting reactants
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcium hydroxide and hydrochloric acid react to form calcium chloride and water as shown in the chemical reaction. If the chemicals are present in exactly the correct ratios to fully use all of the ingredients, how many moles of water would be formed from 5 moles of HCl? Balance the equation first.
__ Ca(OH)2 + __ HCl → __ CaCl2 + __ H2O
1 mole
2 moles
5 moles
10 moles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the balanced equation and the Molar Mass table to answer the following question.
Suppose 110.0 g of CaCl2 in solution is mixed with 163.9 g of Na3(PO4) in solution. How much Ca3(PO4)(s) would be produced?
310.2 g
155.1 g
103.4 g
51.70 g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction 2H2 + O2 → 2H2O, how many moles of oxygen are required to fully react with 6.0 mol of hydrogen?
3.0 mol
6.0 mol
12.0 mol
18.0 mol
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