Molar Mass and Conversion Concepts

Molar Mass and Conversion Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Amelia Wright

FREE Resource

This video tutorial explains how to convert 0.62 moles of copper(II) nitrate to grams. It begins by introducing the concept of conversion from moles to grams and explains the importance of molar mass in this process. The video guides viewers through calculating the molar mass using the periodic table and demonstrates the conversion by multiplying the number of moles by the molar mass. It also covers the reverse process of converting grams to moles. The tutorial concludes with a recap and a thank you message.

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial quantity of Copper(II) Nitrate given in the problem?

0.62 grams

1.87 moles

0.62 moles

1.87 grams

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using molar mass in the conversion process?

To convert grams to liters

To determine the density

To find the volume of the substance

To convert moles to grams

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of Copper(II) Nitrate used in the calculation?

187.57 grams per mole

116.29 grams per mole

62.00 grams per mole

200.00 grams per mole

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After performing the conversion, how many grams of Copper(II) Nitrate do we obtain?

200.00 grams

187.57 grams

116.29 grams

62.00 grams

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in converting moles to grams?

Subtract the atomic masses

Add the atomic masses

Multiply by the molar mass

Divide by the molar mass

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you have grams and need to find moles, what should you do?

Multiply by the molar mass

Divide by the molar mass

Add the atomic masses

Subtract the atomic masses

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reverse process of converting moles to grams?

Converting grams to moles

Converting liters to grams

Converting grams to liters

Converting moles to liters

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who is the narrator of the video?

Dr. C

Dr. B

Dr. D

Dr. A