Chem 132: A roll of copper wire has a mass of 848 g. How many moles of copper are in the roll? Remember to use the correct amount of significant figures in your answer.

 

Question:

A roll of copper wire has a mass of 848 g. How many moles of copper are in the roll? Remember to use the correct amount of significant figures in your answer.

Select one:
a. 13.3 moles of copper
b. 13.34 moles of copper
c. 7.49 x 10^-2 moles of copper
d. 0.07494 moles of copper
e. 5.389 x 10^4 moles of copper

 

Answer

a. 13.3 moles of copper

 

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