A signature written with carbon pencil weighs 1 mg. what is the number of carbon atoms present in the signature?

Question

A signature written with carbon pencil weighs 1 mg. what is the number of carbon atoms present in the signature?, 6.02 × 10 20, 0.502 × 10 20, 5.02 × 10 23, 5.02 × 10 20

MARKS App · Accepted Answer

12 gm carbon contain = 6.023 × 10 23 10 − 23 gm 1mg = 6.023 × 10 23 12 × 10 − 3 = 0.502 × 10 20

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