Environmental Sciences, asked by bharathmohank326, 11 months ago

A student used a carbon pencil to write his homework .The mass of this was found to be 5 mg. Find the number of moles of carbon in his homework writing.

Answers

Answered by Arnav8989
0

Answer:

0.0416 moles

Explanation:

Mass of pencil found = 5mg = 5*10^-3 g

No of moles present in 5*10^-3g = 5*10^-3/12 = 0.416*10^-3 = 4.6*10^-2 moles = 0.0416 moles

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