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What is the mass in grams of one molecul...

What is the mass in grams of one molecule of caffeine (`C_8H_10N_4O_2` ) ?

A

3.22 x `10^-22`

B

32.2 x `10^-22`

C

3.22 x `10^-23`

D

322 x `10^-22`

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