Molecular Formula to Empirical Formula
Authored by Charles Martinez
Chemistry
10th - 12th Grade
NGSS covered
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17 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Whats the empirical formula of a molecule containing 18.7% of Lithium, 16.3% of Carbon and 65.0% of oxygen?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the empirical formula for the following molecular formula: C6H14
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?
5.
MULTIPLE CHOICE QUESTION
3 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?
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How many moles are in 88 g of propane, C3H8.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the empirical formula for the following molecular formula: C5H12
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