NEW
Font size
S
M
L
XL
WorksheetsStoichiometry Quiz
Total questions: 10
Worksheet time: 22mins
Name
Class
Date
1.
N2 + 3H2 → 2NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
a)
6
b)
2
c)
3
d)
1
2.
For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the mole ratio for Fe to MgO?
a)
3mol Mg / 2 mol Fe
b)
2 mol Mg/ 3 mol Fe
c)
1 mol Fe/ 2 mol Fe
d)
3 mol MgO / 2 mol Fe
3.
Cl2 + 2KBr → Br2 + 2KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?
a)
749 g
b)
223 g
c)
479 g
d)
814 g
4.
CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?
a)
13.7 mol
b)
2.75 mol
c)
6.11 mol
d)
6.85 mol
5.
How many liters of NH3 are needed to react completely with 30.0L of NO?
4NH3+6NO --> 5N2 + 6H2O
4NH3+6NO --> 5N2 + 6H2O
a)
5.0 L
b)
20.0 L
c)
7.5 L
d)
120.0 L
6.
True or False. If you are given grams, you must first convert to moles.
a)
True
b)
False
7.
Mole ratios are obtained from the
a)
balanced chemical equation
b)
periodic table
c)
molar mass
d)
reference tables
8.
I use 6.02 x 1023 when the problem gives me molecules?
a)
True
b)
False
9.
I use molar mass when the problem gives me grams?
a)
False
b)
True
10.
True or False. I use 22.4 when I need to convert to liters.
a)
True
b)
False
Reset
