20mL of 6%(W/V) urea solution is diluted with water such that final volume of solution is 1L.The molarity of final solution is?
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6% (W/V) solution of urea means 6 gram urea in 100 ml of solution
So, 6/60 = 1/10 = 0.1 mole of urea in 100 ml of solution.
So, Molarity = 0.1/0.1 = 1 M
Now, by using M1V1 = M2 V2
1* 20 = M2 * 1000
M2 = 0.02 M
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