
Regular Chemistry QPA3 review 2020
Authored by Mariah Sauceda
Chemistry
10th - 12th Grade
NGSS covered
Used 33+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which pair has the same empirical formula?
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
An empirical formula:
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the empirical formula of the following molecular formula: C3H6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which one is empirical?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the percent composition of CaCl2?
Ca: 36.11%; Cl: 63.88%
Ca: 53.12%; Cl: 100%
Ca: 36.11%; Cl: 83.56%
Ca: 46.11%; Cl: 63.88%
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What percent of Zn3(PO4)2 is zinc?
33.15%
16.04%
50.80%
19.68%
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many water molecules are in 5.2 moles of water?
Tags
NGSS.HS-PS1-7
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