120g of urea is present in 5L of solution, the active mass of urea is

120g of salt is present in 600g of solution. Calculate the mass percentage of the solution.

6.02xx10^(20) molecules of urea are present in 100 mL solution. The concentration of urea solution is:

6.02xx10^(20) molecules of urea are present in 100 mL solution. The concentration of urea solution is:

6.02 xx 10^(21) molecules of urea are present in 100ml of its solution. The concentration of urea solution is

6.02 xx 10^(21) molecules of urea are present in 100ml of its solution. The concentration of urea solution is