Empirical Molecular

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Whats the empirical formula of a molecule containing 40.0 % C, 6.7% H, and 53.3% oxygen?
CHO
CH2O
CH30
C2HO2
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 120?
CH2O
C2H4O2
C4H8O4
C6H12O6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the molecular formula of a compound with an empirical formula of C2OH4 and a molecular mass of 88 grams per mole?
C2O4H8
C8O2H4
C4O2H8
C4O8H2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How many moles are in 125 g of propane, C3H8.
5500
16.0
2.8
3,872
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