Empirical and molecular Formula
Authored by Jacqueline Tettey-Lokko
Science
9th Grade
Used 2+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which pair has the same empirical formula?
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given the following: 42.07% Na, 18.89% P, and 39.04% O, determine the empirical formula.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the empirical formula if you have 81.82% carbon and 18.18% hydrogen?
6.
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?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given the following: 42.07% Na, 18.89% P, and 39.04% O, determine the empirical formula.
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