empirical and molecular formula
Authored by Yus Yusof
Chemistry
1st - 10th Grade
NGSS covered
Used 194+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which pair has the same empirical formula?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the empirical formula if you have 81.82% carbon and 18.18% hydrogen?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is considered an empirical formula?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A formula with the lowest whole # ratio of elements in a compound is called
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?
Mg4N3
MgN2
Mg3N2
MgN
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the empirical formula for C3H8
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