Question

what is the mass of 5 mole of carbon atom

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Answer 1

molecular mass of carbon= 12g

so,

1 mole if carbon atom= 12g

therefore,

5 moles of carbon atom = 12*5= 60g

hope it helps..

Answer 2

1 mole of carbon =12 g

5 mole of carbon = 5 × 12

= 60 g