Question

7 125 Mark for Review 27:43 min sec 50 g of water is evaporated from a 300 g of 10% (w/w) aqueous solution of common salt. The concentration (w/w) of the resultant solution will be 11% 8% 14% 12%​

Answer 1

Answer:

Correct option is

A

38.71 g

ΔT=

W×m

1000×K

f

×w

9.3=

62×W

1000×1.86×50

∴W=161.29

∴ Ice separated =200−161.29=38.71g.