What is the number of `H_2` atom in 0.9 gm of water? (H = 1, O = 16)

Calculate the number of H & O atoms in 90 gm water at 4^@C .

1.9 gm of CH_3Br_y has the same number of atoms as in 0.6 gm of H_2O . The value of y is :

What is the mass of 1 gm atom of oxygen?

If density of water is 1g/mL, then find the number of H-atoms in 45mL water (up to 3 significannt figures).

What is the volume of O_2 at NTP that present in 2.4 gm of CO_2 Calculate number of H and oxygen atom present in 0.09 gm of water.

What is the hybridization in H_2O ?

Determine the mass percentage composition of water (H=1, O=16).