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  • van't Hoff factor for aqueous solution with degree of ionisation <img alt="\alpha = 0.75" src="https://entr

van't Hoff factor for aqueous Na_2SO_4 solution with degree of ionisation \alpha = 0.75, is

Option: 1

1


Option: 2

1.5


Option: 3

2.5


Option: 4

3


Answers (1)

best_answer

Answer (3)

\\Na_2SO_4 \rightleftharpoons 2Na^{+} + SO{_{4}}^{2-} \\1 - 0.75 \; \; \; \; \; \; 1.5 \; \; \; \; \; \; \; \;0.75\\ = 0.25\\ \therefore i = 0.25 + 1.5 + 0.75 = 2.5

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