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calculating stoich test review (all kinds)

Total questions: 10

Worksheet time: 19mins

Name
Class
Date
1.
Balance the following reaction :
 
CaC₂(s)   +   H₂O(l)   -->   C₂H₂(g)   +   Ca(OH)₂(aq)
a)
1,2,2,2
b)
1,2,1,1
c)
2,1,1,1
d)
2,1,2,1
2.

2CO(g) + O2(g) → 2CO2(g)

What is the ratio of moles of oxygen used to moles of carbon dioxide produced?

a)

1:1

b)

2:1

c)

1:2

d)

3:1

3.

Cu(s) + 2AgNO3(aq) → Cu(NO3)2 + 2Ag

How many mole of copper are needed to react with 5.8 moles of silver nitrate?

a)

5.8

b)

3.0

c)

2.6

d)

2.9

4.

2Al(s) + 3FeO(s) → 3Fe(s) + Al2O3(s)

How many moles of aluminum are needed to react completely with 1.2 mol of FeO?

a)

0.80

b)

0.8

c)

0.4

d)

0.40

5.
How many grams are in 7.8 moles of NaCl?
a)
476grams
b)
460 grams
c)
452 grams
d)
462 grams
6.

2AgNO3 + BaCl2 → 2AgCl + Ba(NO3)2

If 39.02 g of barium chloride are reacted in an excess of silver nitrate, how many moles of silver chloride are produced?

a)

0.3748

b)

0.3744

c)

0.3752

d)

0.3755

7.

N2(g) + 3H2(g) → 2NH3(g)

How many liters of nitrogen trihydride (ammonia) are produced at STP if 80.28 g of hydrogen gas are reacted in an excess of nitrogen?

a)

300.2

b)

299.5

c)

591.5

d)

594.7

8.

N2(g) + 3H2(g) → 2NH3(g)

How many liters of nitrogen trihydride (ammonia) are produced at STP if 80.28 g of hydrogen gas are reacted in an excess of nitrogen?

a)

300.2

b)

299.5

c)

591.5

d)

594.7

9.

2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(g)

What mass of water is produced when 382.9 L of oxygen gas at STP are fully reacted with excess hydrocarbon?

a)

233.8

b)

221.7

c)

219.8

d)

441.8

10.

N2(g) + 3H2(g) → 2NH3(g)

How many liters of nitrogen gas are needed to completely react 90.28 L of hydrogen gas at STP?

a)

60.18

b)

15.55

c)

30.09

d)

30.1