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6.02xx10^(20) molecules of urea are pres...

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

A

`0.001 M`

B

`0.01 M`

C

`0.02 M`

D

`0.1 M`

Text Solution

Verified by Experts

The correct Answer is:
D
Moles of urea `= (6.02 xx 10^(21))/(6.02 xx 10^(23)) = (1)/(100)`
Molarity `= (1000)/(100 xx 100) = 0.1 M`
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