Percent Composition
Interactive Video
•
Chemistry
•
9th - 12th Grade
•
Easy
Standards-aligned
Felicia Thomas
Used 5+ times
FREE Resource
9 questions
Show all answers
1.
SLIDE QUESTION
30 sec • Ungraded
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent by mass of oxygen in MgO? Hint: The attached image is an example of a worked problem other than this one.
20%
40%
50%
60%
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent by mass of magnesium in MgO?
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the percent composition of Cu2S?
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the percent composition of Benzene, C6H6?
H = 50%
H = 14.3%
H = 7.8%
H = 28.1%
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which element in the compound potassium cyanide, KCN, has a percent composition of 60.97%?
K
C
N
None of the above
7.
OPEN ENDED QUESTION
3 mins • 1 pt
On your sheet of paper, solve what would the percent composition be of carbon in carbon dioxide, CO2?
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