Calculating Molar Mass Effectively

Calculating Molar Mass Effectively

Assessment

Interactive Video

Chemistry

6th - 10th Grade

Practice Problem

Easy

Created by

Lucas Foster

Used 22+ times

FREE Resource

This video tutorial explains the concept of molar mass, which is measured in grams per mole. It begins by examining the molar mass of individual elements like aluminum and nitrogen using the periodic table. The tutorial then demonstrates how to calculate the molar mass of compounds such as aluminum sulfide, barium hydroxide, and aluminum sulfate, emphasizing the use of a periodic table and calculator. The video also highlights the importance of understanding subscripts and parentheses in chemical formulas.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of molar mass?

Grams per liter

Grams per mole

Moles per gram

Liters per mole

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of aluminum as per the video?

14.01 grams per mole

32.06 grams per mole

26.98 grams per mole

13 grams per mole

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number on the periodic table represents the molar mass of an element?

The number above the symbol

The number below the symbol

The atomic number

The number of protons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many grams are in one mole of nitrogen?

32.06 grams

1.008 grams

14.01 grams

26.98 grams

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of aluminum sulfide?

53.96 grams per mole

96.18 grams per mole

150.14 grams per mole

170.33 grams per mole

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many aluminum atoms are in aluminum sulfide?

4

1

2

3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic mass of barium used in the video?

32.06

1.008

137.33

15.99

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