Percent Composition Chemistry

Percent Composition Chemistry

10th - 12th Grade

29 Qs

quiz-placeholder

Similar activities

GC1 FINALS GRADED REVIEWER

GC1 FINALS GRADED REVIEWER

11th Grade - University

25 Qs

Alkanes and Haloalkanes

Alkanes and Haloalkanes

12th Grade

24 Qs

Electron Configuration

Electron Configuration

9th - 12th Grade

24 Qs

Metals and Ores

Metals and Ores

7th - 10th Grade

24 Qs

Unit 5 Review

Unit 5 Review

9th - 12th Grade

25 Qs

EXAMEN FINAL QUIMICA

EXAMEN FINAL QUIMICA

9th - 12th Grade

24 Qs

Gas Properties and Gas Laws

Gas Properties and Gas Laws

9th - 12th Grade

24 Qs

Reacciones químicas 1º EM IN

Reacciones químicas 1º EM IN

11th - 12th Grade

25 Qs

Percent Composition Chemistry

Percent Composition Chemistry

Assessment

Quiz

Chemistry

10th - 12th Grade

Practice Problem

Hard

NGSS
HS-PS1-7, HS-PS1-3

Standards-aligned

Created by

Charles Martinez

FREE Resource

AI

Enhance your content in a minute

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

29 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent by mass of magnesium in MgO?

20%
40%
50%
60%

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent by mass of sodium in NaCl?

39%
61%
35%
65%

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent by mass of chlorine in NaCl?

39%
61%
35%
65%

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent composition by mass of sulfur in the compound MgSO4 (gram formula mass = 120 g/mol)?

20%
27%
46%
53%

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent composition by mass of magnesium in the compound MgSO4 (gram formula mass = 120 g/mol)?

20%
27%
46%
53%

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent by mass of oxygen in MgO?

20%
40%
50%
60%

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?

24%
49%
51%
65%

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?