#8C Quizziz Stoichiometry: Percent Composition Determining
Authored by Jason Reckner
Chemistry
11th Grade
NGSS covered
Used 45+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A formula with the lowest whole # ratio of elements in a compound is called
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following is considered an empirical formula?
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the empirical formula for the following:
Pb5Cr5O20
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent composition of oxygen in MgO?
20%
40%
50%
60%
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent composition of magnesium in MgO?
20%
40%
50%
60%
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent composition of sodium in NaCl?
39%
61%
35%
65%
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent composition of chlorine in NaCl?
39%
61%
35%
65%
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