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WorksheetsThe Mole-Mass relationship - 1
Total questions: 8
Worksheet time: 25mins
Name
Class
Date
1.
What is the molar mass of Mg3N2?
a)
191.6 g/mol
b)
76.64 g/mol
c)
38.32 g/mol
d)
100.95 g/mol
2.
36.0 g of Be contains how many moles?
a)
0.25 mol
b)
4.0 mol
c)
45 mol
d)
320 mol
3.
A mass of 6 g of Carbon contains
a)
1 mole of C
b)
2 moles of C
c)
0.5 moles of C
d)
72 moles of C
4.
How many moles are in 22 g of argon?
a)
880 moles
b)
0.55 moles
c)
1.81 moles
d)
5 moles
5.
Which of the following is used to determine the molar mass of a substance
a)
atomic number
b)
element symbol
c)
number of valence electrons
d)
atomic mass
6.
Determine the mass of 4.20 moles of C6H12 (Gram formula mass = 84.2 g/mole)
a)
354 g
b)
84 g
c)
337 g
d)
421 g
7.
How many grams are in 3.3 mol of potassium sulfide (K2S)? (Gram formula mass = 110.26 g/mole)
a)
363.9 g
b)
454.2 g
c)
238.6 g
d)
132.0 g
8.
Please Watch out for a Savvas Assignment due before your next class. Thank you
a)
ok
b)
okay
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