Percent composition and Empirical formulas

Percent composition and Empirical formulas

10th - 12th Grade

29 Qs

quiz-placeholder

Similar activities

Agua, fuerza intermolecular y disoluciones

Agua, fuerza intermolecular y disoluciones

11th Grade

24 Qs

carbon compounds

carbon compounds

9th - 10th Grade

25 Qs

Chuyên đề hạt nhân phóng xạ Hóa 10

Chuyên đề hạt nhân phóng xạ Hóa 10

10th Grade

25 Qs

Chapter 3&5

Chapter 3&5

10th Grade

25 Qs

AP Chemistry Review Questions (part 1)

AP Chemistry Review Questions (part 1)

11th Grade

25 Qs

Sulfur

Sulfur

9th - 11th Grade

25 Qs

Intro to Environmental Science- Bio & Chem Recap

Intro to Environmental Science- Bio & Chem Recap

11th Grade

25 Qs

Types of chemical reactions

Types of chemical reactions

10th Grade

24 Qs

Percent composition and Empirical formulas

Percent composition and Empirical formulas

Assessment

Quiz

Chemistry

10th - 12th Grade

Practice Problem

Medium

NGSS
HS-PS1-7, HS-PS1-1, HS-ESS2-5

Standards-aligned

Used 108+ times

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

Already have an account?