Exploring Molarity and Dilutions

Exploring Molarity and Dilutions

Assessment

Interactive Video

Chemistry

9th - 12th Grade

Hard

Created by

Amelia Wright

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does molarity represent in a solution?

The volume of the solvent

The concentration of the solute

The temperature of the solution

The color of the solution

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unit is commonly used to express molarity?

grams per liter

liters per mole

cubic meters

moles per liter

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you convert grams to moles for calculating molarity?

Multiply by 1000

Divide by the molar mass

Divide by 1000

Multiply by the molar mass

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molarity of a solution with 0.505 moles of solute in 2.5 liters of solution?

0.1 M

2.5 M

0.202 M

0.505 M

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a molarity problem where the mass of the solute is given?

Convert moles to liters

Convert volume to moles

Convert mass to moles

Convert mass to volume

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the dilution equation M1V1 = M2V2?

To calculate the volume of the solvent

To determine the final concentration after dilution

To find the color intensity of the solution

To measure the temperature change during dilution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you start with 750 mL of a 0.5 M solution and 150 mL evaporates, what is the new molarity?

0.75 M

0.5 M

0.375 M

0.625 M

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