Question

The mass of a molecule of water is
(a) 3 × 10⁻²⁵ kg
(b) 3 × 10⁻²⁶ kg
(c) 1.5 × 10⁻²⁶ kg
(d) 2.5 × 10⁻²⁶ kg

Answer 1

no a is the correct answer according to me

Answer 2

I think the second one