Empirical Formulas
Authored by Charles Martinez
Chemistry
10th - 12th Grade
NGSS covered
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44 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An empirical formula:
2.
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)
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the empirical formula of the following molecular formula: C3H6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which pair has the same empirical formula?
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A compound came out with the following ratio
3 Carbon: 1.49 Phosphorus: 2 Oxygen- what would be the empirical formula?
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the empirical formula if you have 88.80% copper and 11.20% oxygen?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the empirical formula for a compound containing: 92.30% carbon and 7.70% hydrogen
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