1.

What is the molality of 2.05 molar aqueous solution of acetic acid ? The density of solution is 1.02 gram/mL.

Answer»

1.14 M
3.28 M
2.28 M
0.44 M

SOLUTION :`M=2.05 M, d=1.02, M_(1)=60 g//mol`
`m =(1000 M)/(1000d-MM_(1))=(1000xx2.05)/(1000xx1.02-(2.05xx60))`
= 2.28 M.


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