Question

04. 2 kg of 30% aqueous solution of
urea by mass is mixed in 8 kg of
70% aqueous solution
of urea
by mass. What is the final
mass percent. (marks=2)​

Answer 1

Answer:

7.1 m is the Answer for your question

Answer 2

Molality=

GMWt

Wt

×

Wt of water

1000

Weight of Water is 100−30=70g

Molality=

60

30

×

70

1000

= 7.1 m