# General Chemistry

how many grams of a protein weighing 4500 grams/ mol must be present in 100 ml of water solution to a given osmotic pressure of 18 mm hg at 25 degrees celcius...( use formula of pie = Mrt

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1. That's pi, not pie; and celsius is spelled celsius. :-).

pi = MRT
Solve for M = molarity.
M = moles/L. You have L and M, solve for moles.

Then moles = grams/molar mass. You have molar mass and moles, solve for grams.

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