Percent composition
Quiz
•
Chemistry
•
11th Grade
•
Medium
Standards-aligned
Joshua Thompson
Used 6+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the percent by mass of magnesium in MgO?
2.
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)?
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the percent by mass of calcium in CaF2 (gram-formula mass = 78 g/mol)?
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In which compound is the percent composition by mass of Cl equal to 42%?
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What percent of Zn3(PO4)2 is zinc?
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the molar mass of CO2?
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