% Comp EF MF
Authored by Jiyou Oh
Chemistry
10th Grade
NGSS covered
Used 78+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the percent by mass of oxygen in MgO?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the percent by mass of magnesium in MgO?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the percent composition by mass of sulfur in the compound MgSO4 (gram formula mass = 120 g/mol)?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent composition by mass of magnesium in the compound MgSO4 (gram formula mass = 120 g/mol)?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the percent composition by mass of oxygen in the compound MgSO4 (gram formula mass = 120 g/mol)?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is considered an empirical formula?
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
