Asked by Mike
In a study designed to prepare new gasoline resistant coatings, a polymer chemist dissolves 6.053g of poly in enough water to make 100.0 mL of solution. At 25C, the osmotic pressure of this solution is 0.272 atm. What is the molar mass of the polymer sample?
Answers
Answered by
DrBob222
pi = MRT
pi = 0.272 atm, you know R and T, calculate M = molarity.
M = moles/L. Knowing M and L, calculate moles. Then use moles = grams/molar mass to calculate molar mass.
pi = 0.272 atm, you know R and T, calculate M = molarity.
M = moles/L. Knowing M and L, calculate moles. Then use moles = grams/molar mass to calculate molar mass.
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