Question

Number of molecules in 16g of H2CO3

Answer 1

Molecular mass of H2CO3 = (1x2)+(1x12)+(16x3)g

=> 62g

62g of H2CO3 will contain 6.022 X 10^23 molecules

1g of H2CO3 will have 6.022 X 10^23/62 molecules

Therefore,16g of H2CO3 will have

=> 6.022 X 10^23 X 16/62

=> 1.55 X 10^23 molecules

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