Stoichiometry Empirical and Molecular Formulas

Stoichiometry Empirical and Molecular Formulas

10th Grade - University

22 Qs

quiz-placeholder

Similar activities

Unit 6 Review Practice

Unit 6 Review Practice

10th - 12th Grade

20 Qs

Mastering Mole Conversions Quiz

Mastering Mole Conversions Quiz

10th Grade

17 Qs

Empirical/Molecular, % Comp, the mole

Empirical/Molecular, % Comp, the mole

10th - 12th Grade

18 Qs

Mole Mole Gram

Mole Mole Gram

10th - 12th Grade

20 Qs

Gram-Mole Conversions

Gram-Mole Conversions

10th - 12th Grade

20 Qs

Mole Conversion Practice

Mole Conversion Practice

10th - 12th Grade

20 Qs

Mole Conversions

Mole Conversions

9th - 12th Grade

17 Qs

Mole Conversion Practice Problems (Elements)

Mole Conversion Practice Problems (Elements)

10th Grade

20 Qs

Stoichiometry Empirical and Molecular Formulas

Stoichiometry Empirical and Molecular Formulas

Assessment

Quiz

Chemistry

10th Grade - University

Easy

NGSS
HS-PS1-7, HS-PS1-1, HS-PS1-2

Standards-aligned

Created by

Charles Martinez

Used 1+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 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
Mg3N
MgN

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percentage of oxygen in carbon dioxide? (CO2)
27.3%
72.7%
30%
70%

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements.
SO
SO2
SO3
SO4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A formula with the lowest whole # ratio of elements in a compound is called
Molecular Formula
Chemical Formula
Empirical Formula 
Distance Formula

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the empirical formula if you have 36.84% nitrogen and 63.16% oxygen?
NO
N2O3
N2O4
N2O5

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A 5.00 g sample of a compound consisting of calcium and chlorine contains 1.82 g of calcium and 3.23 g of chlorine. What is the empirical formula?

CaCl2

Ca2Cl4

Ca2Cl2

Ca4Cl2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A 154 g sample of a compound contains 15.01 g of C and 62.03 g of Cl. What is the empirical formula for this compound?

CCl3

CCl4

C4Cl

CCl

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?