Q. The molarity of pure water at $4° C$ is

1456 231 Hydrogen Report Error

A

$1 M$

B

$2.5 M$

C

$5 M$

D

$55.5 M$

Solution:

The density of water is $1 g$ cm $^{- 3}$ at $4° C$
so molarity $= \frac{1000}{18} = 55.5 M$