What volume of water is required to prepare 0.1 M H3PO4 from 100 ml of 0.5 M solution?

A volume of 500 mL water is required to prepare 0.1 M from 100 ml of 0.5 M solution.

Explanation:

Given: = 0.1 M,     = ?

= 0.5 M,       = 100 mL

Formula used to calculate the volume of water is as follows.

Substitute the values into above formula as follows.

Thus, we can conclude that a volume of 500 mL water is required to prepare 0.1 M from 100 ml of 0.5 M solution.

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