mole fraction

mole fraction

10th Grade

4 Qs

quiz-placeholder

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mole fraction

mole fraction

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Medium

Created by

marwa menz

Used 129+ times

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4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the mole fraction of NaOH in an aqueous solution that contains 22.8% NaOH by mass?

0.571

0.11

4.288

4.859

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

suppose a hydrochloric acid solution contains 36 g of HCl and 64 g of H2O.what is the mole fraction of HCl?

0.78

0.99

0.22

3.6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sum of all mole fractions equal

1

0

2

0.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the number of moles of solute or solvent in a solution divided by the total number of moles of solute and solvent is known as

molarity

mole fraction

molality

percent by mass

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