Worksheetsmoles to mass (g) and mass(g) to moles
Total questions: 14
Worksheet time: 25mins
Name
Class
Date
1.
What is the molar mass of Cl2?
a)
17 g/mol
b)
35.5 g/mo;
c)
71.0 g/mol
d)
89 g/mol
2.
Calculate the molar mass of KOH.
a)
28 g/mol
b)
56 g/mol
c)
84 g/mol
d)
112 g/mol
3.
Calculate the molar mass of Ba(C2H3O2)2
a)
255.3 g/mol
b)
237.3 g/mol
c)
228.3 g/mol
d)
196.3 g/mol
4.
What is Avogadro's Number?
a)
6.0 x10^23
b)
6.0x10^24
c)
1023 x 10^6
d)
8675309
5.
How many oranges are in 1 mole of oranges?
(a)
6.
The mass of one mole of substance is called...
a)
molecular mass
b)
mole constant
c)
molar mass
d)
atomic weight
7.
How many moles is 16 g of Oxygen?
a)
1 mol
b)
2 mol
c)
0.5 mol
d)
4 mol
e)
8.
Determine the number of moles in 222 g of CaCl2 (GFM = 111 g/ mol)
a)
1 mol
b)
2 mol
c)
0.5 mol
d)
4 mol
9.
Determine the number of moles in 60 g of HF (GFM 20 g/mol)?
a)
3 moles
b)
1200 moles
c)
0.333 moles
d)
60 moles
10.
What is the mole ratio of H2O to H3PO4 in the following chemical equation? P4O10 + 6 H2O --> 4 H3PO4
a)
6:4
b)
4:6
c)
1:3
d)
3:1
11.
How many grams are in 7.8 moles of NaCl?
a)
476 grams
b)
460 grams
c)
452 grams
d)
462 grams
12.
Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
a)
4 moles Fe
b)
6 moles Fe
c)
9 moles Fe
d)
2 moles Fe
13.
The first step in stoichiometry is to
a)
Determine a balanced equation
b)
convert grams to moles
c)
convert grams to liters
d)
use the mole ratio
14.
What are the units for molar mass?
a)
grams
b)
amu
c)
grams/mole
d)
liters
100 %
