How many moles (of molecules or formula units) are in each sample? Part A 71.80g

Question

How many moles (of molecules or formula units) are in each sample?

Part A

71.80g CF2Cl2

Express your answer to four significant figures and include the appropriate units.

ANSWER:

Part B

23.9kg Fe (NO3) 2

Express your answer to three significant figures and include the appropriate units.

ANSWER:

Part C

0.8631g C8H18

Express your answer to four significant figures and include the appropriate units.

ANSWER:

Part D

119kg CaO

Express your answer to three significant figures and include the appropriate units.

ANSWER:

Explanation / Answer

Part A

71.80g CF2Cl2

Express your answer to four significant figures and include the appropriate units.

ANSWER:

Part B

23.9kg Fe (NO3) 2

Express your answer to three significant figures and include the appropriate units.

ANSWER:

Part C

0.8631g C8H18

Express your answer to four significant figures and include the appropriate units.

ANSWER:

22.4 mol

Part D

119kg CaO

Express your answer to three significant figures and include the appropriate units.

ANSWER:

2 mol

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