Finding Percent Composition in Chemistry

Quiz
•
Chemistry
•
10th - 11th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
H = 50%
H = 14.3%
H = 7.8%
H = 28.1%
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
P = 25%
O = 75%
P = 35.8%
O = 42.1%
P = 25.4%
O = 60.3%
P = 25.4%
O = 52.5%
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What percent of Zn3(PO4)2 is zinc?
33.15%
16.04%
50.80%
19.68%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percent composition of a compound that contains 40.8 g carbon and 54.4 g oxygen?
42.9 %; 57.1% oxygen
52.9 %; 57.1% oxygen
42.9 %; 45.23% oxygen
55.9 %; 99.1% oxygen
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