
Mol 3
Quiz
•
Chemistry
•
10th - 12th Grade
•
Medium
Standards-aligned
Mary Williams
Used 7+ times
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the empirical formula if you have 36.84% nitrogen and 63.16% oxygen?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An empirical formula:
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you do when you get a half in the ratio?
add two to only the one with the half
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements. (keep two decimal places throughout calculations)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the empirical formula for P4O10?
P4O10
P2O5
P4O5
PO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the empirical formula for C3H6N6O6?
CH3N3O3
CHNO
C1.5H3N3O3
CH2N2O2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?
Tags
NGSS.HS-PS1-7
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molecular formula if the empirical formula is C2H5 and the molecular molar mass is 58.14 g/mol?
9.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the molecular formula of a compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole?
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