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WorksheetsMolar conversions
Total questions: 6
Worksheet time: 19mins
Name
Class
Date
1.
How many molecules are in 2.5 mol of Sodium Chloride?
a)
1.505x1023
b)
146
c)
4.15
d)
1.5x1024
2.
How many moles are in 3.01 x 1022 atoms of magnesium?
a)
0.0500 moles
b)
1.81 x 1046 moles
c)
5.00 x 1021 moles
d)
500 moles
3.
What is the mass in grams of 0.89 mol of Calcium Chloride?
a)
111 grams
b)
0.008 grams
c)
99 grams
d)
none of the choices
4.
Which conversion factor should be used to solve the following, "How many moles of argon atoms are present in 11.2 L of argon gas at STP?"
a)
1 mol = 22.4 L
b)
1 mol = 39.95 g
c)
1 mol = 6.02x1023 atoms
d)
More than 1
5.
Which conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C6H12O6?
a)
1 mole = 78.12 g
b)
1 mole = 22.4 L
c)
1 mol = 6.02x 1023 particles
d)
more than one
6.
You have 3.5 L of H2 (g) at STP. How many moles of gas are there?
a)
22.4 mol
b)
22.4 L
c)
0.16 mol
d)
0.16 L
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