Question

What should be the density of an aqueous solution of urea (molar mass= 60g/mol) such that the molality and molarity of the solution become equal?​

Answer 1

answer

1.06g/ml

Step-by-step explanation:

=

M

d

−

1000

M.M

where, m= molarity

M= molarity

d= density in gram ml

M.M= mole volume mass of solute =60 gram

m=M(g/un)

m

1

=

m

d

−

1000

60

1000

60

=

m

d−1

0.06=

m

d−1

∴ d=(0.06 m)+1

if m=1 than

d=0.06+1=1.06

density =1.06 gram /ml