Molar Mass and Chemical Symbols

Molar Mass and Chemical Symbols

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to calculate the molar mass of carbon monoxide (CO) by using the periodic table. It details the atomic masses of carbon and oxygen, and how to sum them to find the molar mass of CO. The video also clarifies the difference between CO (carbon monoxide) and Co (cobalt), emphasizing the importance of capitalization in chemical symbols.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the molar mass of a compound?

Consulting the periodic table

Mixing the compound with water

Measuring the compound's weight

Counting the number of atoms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic mass of carbon as used in the calculation?

28.01 grams per mole

12.01 grams per mole

16.00 grams per mole

14.01 grams per mole

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many oxygen atoms are considered in the calculation of CO's molar mass?

Three

None

Two

One

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total molar mass of carbon monoxide (CO)?

44.01 grams per mole

28.01 grams per mole

16.00 grams per mole

12.01 grams per mole

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the molar mass of 28.01 grams per mole signify for CO?

It is the weight of one liter of CO

It is the weight of one molecule of CO

It is the weight of one mole of CO

It is the weight of one atom of CO

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between CO and Co in terms of chemical elements?

CO is cobalt, Co is carbon dioxide

CO is cobalt, Co is carbon monoxide

CO is carbon monoxide, Co is cobalt

CO is carbon dioxide, Co is cobalt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to distinguish between CO and Co?

They are both metals

They are both gases

They are different elements with different properties

They have the same atomic mass