Empirical, structural and molecular formulas
Authored by D'Anne Cribb
Science
10th - 11th Grade
NGSS covered
Used 203+ times
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20 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
A formula with the lowest whole # ratio of elements in a compound is called
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?
Tags
NGSS.HS-LS1-6
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Given the following: 42.07% Na, 18.89% P, and 39.04% O, determine the empirical formula.
5.
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.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An empirical formula:
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