Asked by Anonymous
Cellobiose(a nonvolative, nonelectrolyte) is a sugar obtained by degratation of cellulose. If 200.mL of an aqueous solution containing 1.500g of cellobiose at 25C give rise to an osmotic pressure of 407.2mmHg. What is the molecular mass of Cellobiose?
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Anonymous
I converted the osmotic pressure to atm. then used the equation pi =iMRT, i plugged in the numbers but i am calculating it wrong.
.5357894737 = 1.500g/X/.200L(.0821)(298.15) if that's correct
but when i plug it in to my calculator i get a different answer instead of the actual answer which is 342.6g/mol
.5357894737 = 1.500g/X/.200L(.0821)(298.15) if that's correct
but when i plug it in to my calculator i get a different answer instead of the actual answer which is 342.6g/mol
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