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Stoich Mix And Match/Limiting Reactant!
Test Description: Mix and Match and Limiting Reactant Problems
Instructions: Answer all questions to get your test result.
1) For the reaction C2H4 + 3 O2 --> 2 CO2 + 2 H2O, what number of grams of CO2 could be produced from 2.0 g of C2H4 and 5.0 g O2
A
5.5 g
B
6.3 g
C
4.6 g
D
None of the above
2) How many grams of steam must react to produce 375 g of Fe3O4; 3 Fe + 4 H2O --> Fe3O4 + 4 H2
A
117 g
B
161 g
C
6.48 g
D
29.2 g
3) SO2 + H2O --> H2O What is the maximum number of H2SO3 made given the following 33.6 g SO2 and 55.3 g H2O;
A
50
B
252
C
9.5
D
43
4) What volume of methane is needed to completely react with 500 liters of oxygen? CH4 + 2 O2 --> CO2 + 2 H2O
A
600 L
B
250 L
C
300 L
D
.500 L
5) How many liters of hydrogen are produced by reacting 3.54 x 10^24 atoms of HCl in the UNBALANCED reaction. Al + HCl --> AlCl3 + H2
A
299
B
150
C
190
D
198
6) Who coefficents would go infront of the following compounds to balance? KClO3 --> KCl + O2
A
2, 2, 3
B
1, 1, 1
C
1, 2, 2
D
4, 3, 6
7) How many stoichiometry lines are needed in a limiting reactant problem where we want to know how much excess is left over?
A
1
B
2
C
4
D
3
8) Stoichiometry is defined as
A
Measuring quantities
B
Measuring moles
C
Weighing compounds
D
A german sausage
9) When converting gram given to gram wanted, the first step is to do what
A
6.02 x 10^23 / 1 mol
B
1 mol / molar mass
C
1 mol / 22.4
D
molar mass / 1 mol
10) What is the molar mass of Cl2
A
100 amu
B
70.9 amu
C
35.45 amu
D
60 amu
*select an answer for all questions
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