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Question

Question: The molarity of pure water at 4°C is....

The molarity of pure water at 4°C is.

A

1 M

B

2.5 M

C

5 M

D

55.5 M

Answer

55.5 M

Explanation

Solution

The density of water is 1gcm−31gcm^{- 3} at 4°C

so molarity=100018=55.5M= \frac{1000}{18} = 55.5M.