NEW
Font size
S
M
L
XL
WorksheetsGas Law Stoichiometry
Total questions: 13
Worksheet time: 30mins
Name
Class
Date
1.
What volume of hydrogen will be produced at STP by the reaction 67.3 g of magnesium with excfess water according to the following reaction?
1Mg + 2H2O --> Mg(OH)2 + H2
1Mg + 2H2O --> Mg(OH)2 + H2
a)
62L
b)
65L
c)
31L
d)
124L
2.
How do I move from grams to moles
a)
multiply by molar mass
b)
divide by molar mass
c)
multiply by Avo number
d)
divided by Avo number
3.
How do I change from moles to liters?
a)
divide by 22.4
b)
multiple by Avo number
c)
multiply by 22.4
d)
multiply by molar mass
4.
How many atoms are in a mole?
a)
6.022x10^23
b)
1
c)
Molar Mass
d)
22.4
5.
How many liters are in a mole?
a)
6.022x10^23
b)
1
c)
Molar Mass
d)
22.4
6.
How many grams are in a mole?
a)
6.022x10^23
b)
1
c)
Molar Mass
d)
22.4
7.
Mg3N2(s) + 3H2O(l) ––> 3 MgO + 2NH3(g)
If 10.3 g of magnesium nitride is used, what volume of ammonia gas would be collected at 20˚C and 0.989 atm?
If 10.3 g of magnesium nitride is used, what volume of ammonia gas would be collected at 20˚C and 0.989 atm?
a)
27.1 L H2
b)
4.96 L H2
c)
0.204 L H2
d)
10.3 L H2
8.
In the ideal gas law, _____ represents moles of a gas.
a)
T
b)
V
c)
R
d)
n
9.
What is the molar mass of Mg(NO3)2
a)
148.313g/mol
b)
134.306g/mol
c)
54.311g/mol
10.
What is standard temperature?
a)
0K
b)
0oC
c)
173 K
d)
173.15 K
11.
Which of the following is NOT a value for standard pressure?
a)
101.3 kPa
b)
760 mm Hg
c)
1 atm
d)
1 torr
12.
What is the molar volume of an ideal gas at STP?
a)
1 mol = 22.4 L
b)
1 mol = 0.0821 L
c)
1 mol = 1 L
d)
1 mol = 273 L
13.
What is the volume of 2 moles of gas at STP?
a)
22.4 L
b)
44.8 L
c)
11.2 L
d)
2 L
Reset
