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WorksheetsMole to Mole Stoich Practice
Total questions: 11
Worksheet time: 1hrs 16mins
Name
Class
Date
1.
The fluoride in toothpaste is stannous fluoride. This tin(II) compound can be made through the reaction of tin metal and hydrogen monofluoride. Write a balanced equation for the reaction. If there are 7.64 moles of stannous fluoride per tube of toothpaste, how many moles of hydrogen monofluoride will be needed to produce 100 tubes of toothpaste?? You can do it!!
a)
2000 moles
b)
15.28 moles
c)
1528 moles
d)
384 moles
2.
N2 + 3H2 −-> 2NH3
How many moles of ammonium are produced when 3 moles of nitrogen react with hydrogen?
How many moles of ammonium are produced when 3 moles of nitrogen react with hydrogen?
a)
6 moles Ammonium
b)
1.5 moles ammonium
c)
9 moles ammonium
d)
9 moles hydrogen
3.
Consider the balanced equation:
Na2SIO3(s) + 8HF(aq) --> H2SiF6 (aq) + 2NaF(aq) + 3H2O(l)
If 9 moles of water are produced at the end of the reaction, how many moles of hydrofluoric acid were used?
Na2SIO3(s) + 8HF(aq) --> H2SiF6 (aq) + 2NaF(aq) + 3H2O(l)
If 9 moles of water are produced at the end of the reaction, how many moles of hydrofluoric acid were used?
a)
24 moles
b)
3.375 moles
c)
3 moles
d)
.375 moles
4.
Considering the balanced equation:
Na2SIO3(s) + 8HF(aq) --> H2SiF6 (aq) + 2NaF(aq) + 3H2O(l)
If 14.5 moles of sodium silicate were reacted, how many moles of hydrofluoric acid must have reacted?
Na2SIO3(s) + 8HF(aq) --> H2SiF6 (aq) + 2NaF(aq) + 3H2O(l)
If 14.5 moles of sodium silicate were reacted, how many moles of hydrofluoric acid must have reacted?
a)
8 moles
b)
116 moles
c)
0.55 moles
d)
4 moles
5.
Considering the UNBALANCED reaction:
Fe2O3(s) + CO(g) --> Fe(m) + CO2(g)
How many moles of carbon dioxide are produced from 5.5 moles of carbon monoxide?
Fe2O3(s) + CO(g) --> Fe(m) + CO2(g)
How many moles of carbon dioxide are produced from 5.5 moles of carbon monoxide?
a)
5.5 moles
b)
2.75 moles
c)
11 moles
d)
7 moles
6.
Considering the UNBALANCED reaction:
Fe2O3(s) + CO(g) --> Fe(m) + CO2(g)
If 32 moles of iron metal was produced during the reaction, how many moles of carbon monoxide were consumed?
Fe2O3(s) + CO(g) --> Fe(m) + CO2(g)
If 32 moles of iron metal was produced during the reaction, how many moles of carbon monoxide were consumed?
a)
21 moles
b)
21.3 moles
c)
48 moles
d)
64 moles
7.
Solid sodium oxide and water are mixed and aqueous sodium hydroxide is produced.
Write a balanced chemical equation for this reaction.
If 0.678 moles of sodium hydroxide are produced how many moles of sodium oxide was consumed in the reaction?
Write a balanced chemical equation for this reaction.
If 0.678 moles of sodium hydroxide are produced how many moles of sodium oxide was consumed in the reaction?
a)
0.339 moles
b)
1.36 moles
c)
0.678 moles
d)
2.71 moles
8.
The combustion of acetylene gas is represented below.
2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(v)
If 23.24 moles of acetylene were to react, how many moles of oxygen gas would be needed?
2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(v)
If 23.24 moles of acetylene were to react, how many moles of oxygen gas would be needed?
a)
116.2 mol
b)
11.62 mol
c)
9.296 mol
d)
58.1 mol
9.
The combustion of acetylene gas is represented below.
2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(v)
How many moles of carbon dioxide gas were produced from 5 moles of oxygen gas?
2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(v)
How many moles of carbon dioxide gas were produced from 5 moles of oxygen gas?
a)
20 moles
b)
4 moles
c)
0.8 moles
d)
1.25 moles
10.
The combustion of acetylene gas is represented below.
2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(v)
How many moles of water were produced in the reaction from 18 moles of acetylene?
2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(v)
How many moles of water were produced in the reaction from 18 moles of acetylene?
a)
18 mole
b)
9 moles
c)
36 moles
d)
4.5 moles
11.
What is your favorite class?
a)
chemistry
b)
chemistry
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