Question

6.02 *10^20 molecules of urea are present in 100 ml of its solution. The concentration of urea is?

Answer 1

Explanation:

If 6.022 x 10^22 molecules are present in 100 ml. of the Solution, then the concentration of the solution= 1M. If 6.022 x 10^20 molecules are present in 100 ml. of the solution, then the concentration of the solution= (6.022 x10^20/6.022 x 10^22) x 1 = 10^-2 x1 = 0.01 M .

Answer 2

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