Questions

CHEM 110 Section 3 (PM) SP25 Pre-Lecture Quiz 35 C14-3

Multiple choice

Which of the following are correct ways of representing the mass fraction (or mass percentage) of a solute in a 1 kg solution that contains 5 g of solute? [Select all that apply.]

Options

A.5 M

B.5,000 ppm

C.0.5%

D.0.005

E.5%

F.0.2 M

G.0.2

H.5

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Step-by-Step Analysis

To determine the correct representations, start from the given data: a 1 kg solution contains 5 g solute. The total solution mass is 1000 g. Option analysis: - 5 M: This is a molarity (moles per liter), which depends on the amount of solute in liters of solution and on molar mass. Since the question asks for mass fraction or mass percentag......Login to view full explanation

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