Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Compound Stoichiometry CP

Total questions: 14

Worksheet time: 12mins

Name
Class
Date
1.

What is the molar mass of Na2CO3?

a)

22.99 g/mol

b)

105.99 g/mol

c)

96.00 g/mol

d)

125.98 g/mol

2.

What is the molar mass of of CO?

a)

44.01 g/mol

b)

16.00 g/mol

c)

2.02 g/mol

d)

28.01 g/mol

3.

What is the molar mass of LiOH?

a)

23.95 g/mol

b)

18.02 g/mol

c)

36.46 g/mol

d)

112.15 g/mol

4.

What is the molar mass of C2H4O2?

a)

Acetic Acid

b)

100.09 g/mol

c)

42.06 g/mol

d)

60.06 g/mol

5.

What is the molar mass of water?

a)

18.02 g/mol

b)

44.01 g/mol

c)

16.00 g/mol

d)

17.01 g/mol

6.

How many moles are in 3.4 grams of H2SO4?

a)

98.08 mols

b)

0.0346 mols

7.

How many grams are in 4.5 moles of Li2O?

a)

134.46 g

b)

29.88 g

8.

How many grams are in 8.2 moles of N2I6?

a)

6473.408 g

b)

789.44 g

9.

What is the percent composition of CrF3?

a)

47.71 % Cr

52.29 % F

b)

0.4771 % Cr

0.5229 % F

c)

51.996 % Cr

57 % F

10.

What is the percent composition of KCN?

a)

39.10 % K

12.01 % C

14.01 % N

b)

33.33 % K

33.33 % C

33.33 % N

c)

60.04 % K

18.44 % C

21.51 % N

11.
A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?
a)
Mg4N3
b)
MgN2
c)
Mg3N2 
d)
MgN
12.
Which of the following is considered an empirical formula?
a)
CH3COOH
b)
C6H12O6
c)
H2O
13.
A formula with the lowest whole # ratio of elements in a compound is called
a)
Molecular Formula
b)
Chemical Formula
c)
Empirical Formula 
d)
Distance Formula
14.

What is the empirical formula for C4H6?

a)

CH

b)

CH3

c)

C2H3

d)

C4H6