Empirical and Molecular Formula
Authored by Lisa Thompson
Science
11th Grade
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A formula that shows the smallest whole-number mole ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.
Empirical Formula
Molecular Formula
Stoichiometry
Chemical Reaction
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
Coefficient
Subscript
Reactant
Product
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gives the actual number of atoms of each element in a molecule of a compound.
Empirical Formula
Molecular Formula
Stoichiometry
Chemical Reaction
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the empirical formula of a molecule containing 18.7% of Lithium, 16.3% of Carbon and 65.0% of oxygen?
CO2Li3
Li2CO3
Li3CO2
LiCO5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the empirical formula for C4H6?
CH
CH3
C2H3
C4H6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the empirical formula if you have 81.82% carbon and 18.18% hydrogen?
C3H8
CH4
C2H2
C4H10
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Glycerol has a molar mass of 92.09g/mol. Its percent composition is: 39.12% C, 8.75% H, and 51.12% O. What is the molecular formula for glycerol?
C2H3O2
CH2O
C2H4O2
C3H8O3
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