Calculate the number of moles of methhanol in 5L of its 2m solution if the density of solution is 0.981Kg/L
Asked by pardeepkumar2281
| 13th May, 2018,
08:06: AM
Expert Answer:
Given:
Volume = 5L
Molality= 2m
Density =0.981Kg/L
We have,
m= (M)/ d-Mb × M
Where
d = density
M= Molarity
Mb = Molar mass
Substituting the values, we get
M= 1.842 M
No. of moles = volume × molarity
= 5× 1.842
= 9.21 moles
M =
M=
Answered by Varsha
| 13th May, 2018,
09:54: PM
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