Direction: Please determine the correct answer for each of the following problems.

Problem 1

How many moles are there in 9.0 grams of water?

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Problem 2

What is the mass of 2 moles of glyceraldehyde (C₃H₆O₃)?

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Problem 3

What mass of methanol (CH₄O) whould be required to make one liter of a 0.5 molar solution of methanol in water?

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