1.

6.02 xx10^(20) molecules of urea are present in I 00 ml of its solution. The concentration of urea solution is

Answer»

`0.02 M `
`0.01M`
`0.001 M`
`0.1 M`

SOLUTION :`M =(6.02 xx10^(20) xx1000)/(6.02 xx10^(23) XX100)= 0.01M`


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