gneet

Q40) The total number of electrons present in 18ml of wtaer ( density of water 1g/ml) is ... [ IIT 1980]

SOLUTION

from the data for density of water 18 m=18 g=1 mole

One molecule of water contains=2+8=10 electrons

∴ 1 mole of water contains=10 × 6.023× 1023

Answer: (c)