Empirical Formula and Molecular Formula

Empirical Formula and Molecular Formula

10th Grade

15 Qs

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Empirical Formula and Molecular Formula

Empirical Formula and Molecular Formula

Assessment

Quiz

Science

10th Grade

Practice Problem

Hard

NGSS
HS-PS1-7, MS-PS1-1

Standards-aligned

Created by

Lisa Thompson

Used 2+ times

FREE Resource

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the empirical formula for C4H6?

CH

CH3

C2H3

C4H6

2.

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

3.

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

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

Which of the following is considered an empirical formula?

CH3COOH

C6H12O6

H2O

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the empirical formula for C3H8

CH

C3H8

C6H16

CH2.7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Do the diagrams have the same molecular formula?

Yes

No

Tags

NGSS.HS-PS1-7

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