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100 ml urea solution contain 6.022 …

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100 ml urea solution contain 6.022 into 10 raise to 20 molecules find molarity of Urea solution

Posted by Dharti Patel 5 years, 6 months ago

CBSE > Class 12 > Chemistry

1 answers

Rohit Krishna 5 years, 6 months ago

Given no. of molecules =6.022*10^20,from which you can calculate the no. of moles by the equation no. of moles=given no of molecules/avogadro no. Hence no of moles of urea solution=10^-3 moles.Now, molarity=no of moles of urea solution*1000/volume of urea in ml., Hence,molarity of urea solution =10^-3*1000/100=10^-2M=0.02M (Hope you understood what is written and the answe is this one according to me...)

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