Question

Number of Hydrogen atoms in 1 mole of H2O is:

A. 6.022 x 1023 B. 2 x 6.022 x 1023

C. 3 x 6.022 x 1023 D. 4 x 6.022 x 1023​

Answer 1

1 mole of H₂O has 2 atoms of Hydrogen,

Molar Mass = 2 g

Moles = 2

No. of atoms = 2*6.022*10²³

= 12.044*10²³

I hope this helps.