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Copy of Mole Conversions Quiz - #2 (5/28/2026)
By Jason Poe
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Last updated about 4 hours ago
6 questions
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3
2
2
4
4
2
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Calculate the total mass of 2.30 x 10
24
molecules of Fe
2
O
3
.
visibility
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Question 5
5.
How many moles are in 3.6 g of NaOH?
visibility
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Question 6
6.
What is a mole? Select all that apply.
a word that chemists use to categorize chemical reactions
6.022 x 10
23
a number that represents a very LARGE number
word that means a number
a number that represents a very SMALL number
What is Avagadro's number?
60.22 x 10
23
6.220 x 10
23
6.022 x 10
22
6.022 x 10
23
Calculate the mass of an 12.6 mole sample of iron.
7.59 X 10
24
g Fe
225 g Fe
0.225 g Fe
705.6 g Fe
Calculate the mass of 0.85 moles of sodium bicarbonate, NaHCO
3
.
0.01 g NaHCO
3
5.12 x 10
23
g NaHCO
3
71.4 g NaHNO
3
1.41 x 10
-25
g NaHCO
3