TS EAMCET 14-Sep-2020 Shift 1 Solved Paper

Section: Chemistry

Question : 144 of 160

Marks: +1, -0

The observed molar mass determined for Na2SO4 by freezing by freezing point depression method is 50.0 g/mol. The molecular weight of Na2SO4 is 142. What will be the degree of dissociation α for Na2SO4 in water?

0.23
0.18
0.78
0.92

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