a solution of a substance having mass 1.8x 10-³ kg has the osmotic pressure of 0.52 atm at 280 k. calculate the molar mass of substance used
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Explanation:
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Answered by
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osmotic pressure =0.52atm
π=0.52atm
π=CRT
0.52C×0.0821×280
C=
280×0.0821
0.52
=0.02262
mass of solute =1.8×10
−3
kg=1.8gm
Molarity =
m
1.8
/1.4lre
M
1.8
=0.02262
M=
0.02262
1.8
=79.57≈80
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