6.02 $\times$ 1020 molecules of urea are present in 100 ml of its solution. The concentration of urea solution is (Avogadro constant, NA = 6.02 $\times$ 1023 mol-1)

Question

6.02 $\times$ 10²⁰ molecules of urea are present in 100 ml of its solution. The concentration of urea solution is
(Avogadro constant, N_A = 6.02 $\times$ 10²³ mol^-1)

0.02 M