Answers

2014-05-28T01:16:05+05:30
Molarity = no. of moles / volume of solution in L
mole of urea = 4.5 / 60
volume of solution = 100/1000 = 0.1 L
molarity = 4.5/(60*0.1)
             = 3/4
             = 0.75 mole/L
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