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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.
 one year ago
 one year 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.
 one year ago
 one year ago

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

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

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

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

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

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

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

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

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
\[M = 2/0.973 = 2.05M\]
 one year ago

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hope u got it...)
 one year ago

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

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

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