Physics, asked by ak0155669, 6 months ago

The value of unit weight of water is always taken as unity. Why?

Answers

Answered by Anonymous

Explanation:

For solids or liquids, as mass decreases the volume also decreases by a proportional amount. 1000L waterand 10mL water both have molar densities of 55.5 mol/L. So molardensity variations are minimum and hence the variations in molar activity is minimum. So the activity coefficient istaken as unity.

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