# help with molar mass in CHEMISTRY

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200 g of a non-electrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass?
(the Kb for water is 0.51 C/m)

I know deltaT = 0.51 C/m but where do I go from there?

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