Question

The number of water molecules is maximum in _____.

(A) 18 gram of water 

(B) 18 moles of water 

(C) 18 molecules of water 

(D) 1.8 gram of water

Answer 1

Correct option: (B) 18 moles of water

1 mole of water = 18 g of water

6.022 x10²³ molecules of water

∴ 18 moles of water = 18 x 6.022 x 10²³ molecules of water

= 1.08396 x 10²⁵ molecules of water