Practice Molarity, Molality & Dilution Problems

Practice Molarity, Molality & Dilution Problems

12th Grade

50 Qs

quiz-placeholder

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Practice Molarity, Molality & Dilution Problems

Practice Molarity, Molality & Dilution Problems

Assessment

Quiz

Chemistry

12th Grade

Medium

NGSS
HS-PS1-5, HS-PS1-7, MS-PS1-1

Standards-aligned

Created by

Travis Ribordy

Used 7+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When you make a dilution, which of these values remains constant?

The molarity (M)

The total moles of solute

The volume (V)

The concentration

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As we dilute a solution.....

The volume increases and the molarity (M) increases

The volume increases and the molarity (M) decreases

The volume decreases and the molarity (M) increases

The volume decreases and the molarity (M) decreases

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When Na2O is added to water it reacts violently instead of making a solution. What is the molar mass of Na2O?

62 g/mol

39 g/mol

55 g/mol

100 g/mol

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The term molar which is used to describe a solution's concentration, is written as?

M

mol

g

g/L

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When a solution is heated until it boils, the molarity...

Doesn't change because everything evaporates

Decreases

Increases

Will become 1M

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Molarity is ...

grams of solute/deciliters of solvent.

grams of solute/liters of solution.

moles of solute/liters of solution.

moles of solute/milliliters of solvent.

Tags

NGSS.HS-PS1-5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

50 ml of a 1 M solution is diluted until the final volume is 80ml. How much water was added?

50 ml

1.3 ml

30 ml

130 ml

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