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rva.raghav
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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.
 2 years ago
 2 years ago
rva.raghav Group Title
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.
 2 years ago
 2 years ago

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rva.raghav Group TitleBest ResponseYou've already chosen the best response.0
Please tell me soon
 2 years ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
Do u knw wat is Molarity..?
 2 years ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
\[D=\frac{ M }{ V }\] \[V=\frac{ M }{ D }\] M = 1000 + 120 = 1120gm
 2 years ago

rva.raghav Group TitleBest ResponseYou've already chosen the best response.0
but the answer is 2.05M
 2 years ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
Lol....First Find V then use Molarity = no of moles of solute / Volume (L)
 2 years ago

rva.raghav Group TitleBest ResponseYou've already chosen the best response.0
how to find V
 2 years ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
hm..thats wat i have Given u.....)
 2 years ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
1.15 g/ml = 1150 g/L
 2 years ago

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

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\[M = 2/0.973 = 2.05M\]
 2 years ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
hope u got it...)
 2 years ago

rva.raghav Group TitleBest ResponseYou've already chosen the best response.0
yahoo...yahooo......oooooooooooooooo..............
 2 years ago

rva.raghav Group TitleBest ResponseYou've already chosen the best response.0
please wait i have to ask u another question
 2 years ago

rva.raghav Group TitleBest ResponseYou've already chosen the best response.0
Why NPN transistors a more preferred than PNP?
 2 years ago
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