How many moles of carbon are in 5.2 moles of C7H18?

Question

Samantha Ferguson

Chemistry

28 May, 23:59

How many moles of carbon are in 5.2 moles of C7H18?

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Answers (1)

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Irene Anthony · Answer 1

There is a shortcut to this Chem question. simply look at this problem as if it were a cooking recipe. you have 7 parts Carbon and 18 Parts Hydrogen for a total of 25 parts. Simply divide 5.2 by 25 then multiply by 7 to get your answer.

(5.2 / 25) 7 = 1.456 moles