the osmotic pressure of a 5%,solution at 27°c is 12 atm, then what is molecular weight of that compound? (r=0.08 lit. atm. mol-1.c-1)
shaikmohaseen:
a) 100
b) 200
c) 300
d) 400
Answers
Answered by
2
the answer is 105.2631 gm
take vol. of sol. as 95 ml
take vol. of sol. as 95 ml
a) 100
b) 200
c) 300
d) 400
how is it
you can take 105.2631 approx. as 100
they take the closest answer
if you take vol. of sol. as 100ml then answer will come as 100
5/12×1000/100×0.08×300
yup
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