The total number of neutrons present in `54mL H_2O(l)` are :

The total number of neutrons present in 10g D_(2)O (D "is" _(1).^(2)H) are .

The total number of neutrons present in 10g D_(2)O (D "is" 2 H are .

The total number of neutrons present in 10g D_(2)O (D "is" _(1).^(2)H) are .

The total number of moles of neutrons present in 108 mL H_(2)O(l) are

The total number of moles of neutrons present in 108 mL H_(2)O(l) are

If the total number of neutrons present in D_(2)O^(18) molecules is x then the value of (x)/(2) is "__" .

The total number of electrons present in 18 mL of water is ……