Question

calculate the number of molecules of Mg in 12g of Mg​

Answer 1

Explanation:

no of molecules =

weight × avagadro number/molecular weight

12×6.023×10^23/24

1/2×6.023×10^23

3×10^23

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Answer 2

Answer:

1 mole

Explanation: the atomic mass of Mg is 12 gms hence 12 ÷ 12= 1 mole

1 mole = 6.023×10²³ molecules