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anonymous
 3 years ago
Disssolving 120g of urea(mol wt 60)in 1000g of water gave a sol of density 1.15g/ml.the molarity of the solution is ....? please tell me detailed steps.
anonymous
 3 years ago
Disssolving 120g of urea(mol wt 60)in 1000g of water gave a sol of density 1.15g/ml.the molarity of the solution is ....? please tell me detailed steps.

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Do u knw wat is Molarity..?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[D=\frac{ M }{ V }\] \[V=\frac{ M }{ D }\] M = 1000 + 120 = 1120gm

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0but the answer is 2.05M

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Lol....First Find V then use Molarity = no of moles of solute / Volume (L)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0hm..thats wat i have Given u.....)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[V = 1120/1150 = 0.973L\] no of moles = 120/60 = 2

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[M = 2/0.973 = 2.05M\]

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0yahoo...yahooo......oooooooooooooooo..............

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0please wait i have to ask u another question

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Why NPN transistors a more preferred than PNP?
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