Question 1

How many moles of sodium bromide (NaBr) are in 3.01 x 10²³ formula units of sodium bromide (NaBr)?

Accepted Answer

Answer

Answer

6.02 x 10²³fu

Answer

1.204 x 10²⁴fu

Question 2

How many moles of Lithium are in 25.0 g of  Lithium?

Accepted Answer

3.60 moles

Answer

0.28 moles

Answer

3.91 moles

Answer

172.8 moles

Question 3

How many grams of Carbon are in 3.5 moles of  Carbon?

Accepted Answer

42.04 g

Answer

40.05 g

Answer

12.01 g

Answer

3.43 g

Question 4

How many moles of Argon gas are in 5.6 L of Argon gas?

Accepted Answer

0.25 moles

Answer

0.22 moles

Answer

125.44 moles

Answer

0.28 moles

Question 5

How many grams of carbon dioxide (CO₂) are in 3.5 moles of carbon dioxide (CO₂)?

Accepted Answer

154.04 g

Answer

44.01 g

Answer

0.08 g

Answer

147.51 g

Question 6

How many moles of water (H₂O) are in 40.0 g of water (H₂O)?

Accepted Answer

2.22 moles

Answer

0.45 moles

Answer

720.8 moles

Answer

2.50 moles

Question 7

How many Liters of Neon gas are in 7 moles of Neon gas?

Accepted Answer

156.8 L

Answer

29.4 L

Answer

169.5 L

Answer

0.31 L

Question 8

How many atoms of Xenon gas are in 3 moles of Xenon gas?

Accepted Answer

1.806 x 10^²⁴atoms

Answer

1.806 x 10^²³atoms

Answer

2.006 x 10²²

Answer

2.006 x 10²³atoms

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