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27-01-2018
Chemistry

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A person weighing about 78 kg is about 18% carbon by mass. What is the mass (in grams) of carbon in this person? How many moles of carbon are in this person?

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27-01-2018

78 kg x 1000 g = 78000 g
1 kg
78000 g x 1 mol = #### mol
12.01 g

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