Question

What will be concentration of glucose solution which is isotonic with 6 g/L urea solution?

Answer 1

Isotonic solutions are two solutions which have same concentration.

$⟹$ Molarity of urea $=\frac{6g}{\text{Molar mass}}\times \frac{1000}{1000}=\frac{6}{60}$=0.1 M

$⟹$ Molarity of glucose=Molarity of urea=0.1 M