Question

The freezing point depression constant for water
is – 1.86ºC m⁻¹. If 5.00 g Na₂SO₄ is dissolved in
45.0 g H₂O, the freezing point is changed by
–3.82ºC. Calculate the van’t Hoff factor for Na₂SO₄.
(a) 2.05 (b) 2.63
(c) 3.11 (d) 0.381

Answer 1

Answer:

The freezing point depression constant for water

is – 1.86ºC m⁻¹. If 5.00 g Na₂SO₄ is dissolved in

45.0 g H₂O, the freezing point is changed by

–3.82ºC. Calculate the van’t Hoff factor for Na₂SO₄.

(a) 2.05

(b) 2.63

(c) 3.11

(d) 0.381

Answer 2

Answer :- Option C) ....