SaraNextGen.Com

What would be the molality of 20 (mass/mass) aqueous solution of Kl? (molar mass of Kl=166 g

(a)

1.48

(b)

1.51

(c)

1.08

(d)

1.35



Question ID - 52621 | SaraNextGen Top Answer

What would be the molality of 20 (mass/mass) aqueous solution of Kl? (molar mass of Kl=166 g

(a)

1.48

(b)

1.51

(c)

1.08

(d)

1.35

1 Answer
127 votes
Answer Key / Explanation : (b) -

20% W/W KI solution

i.e.  100 g solution contains 20 g KI

∴  Mass of solvent =100−20=80 g

∴  Molality=

                     =1.51 molar

127 votes


127