Molar Ratio Practice

Molar Ratio Practice

10th - 12th Grade

10 Qs

quiz-placeholder

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Molar Ratio Practice

Molar Ratio Practice

Assessment

Quiz

Chemistry

10th - 12th Grade

Hard

NGSS
HS-PS1-7

Standards-aligned

Created by

Charles Martinez

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Mole Ratios used for conversions are derived from:

the molar mass of the reactants in the balanced chemical equation

the coefficients of the balanced chemical equation

the subscripts of the products in the balanced chemical equation

the group number of each element in the balanced chemical equation

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the missing coefficients for the unbalanced equation below?

Cr(s) + Fe(NO3)2(aq) → Fe(s) + Cr(NO3)3(aq)

2,3,3,2

1,3,3,1

2,3,2,3

2,3,1,2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the missing coefficients for the unbalanced equation below?

AlPO4 + Ba(OH)2 → Al(OH)3 + Ba3(PO4)2

1,3,2,3

2,3,2,3

3,2,3,1

2,3,2,1

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the mole ratio of Ba(OH)2 to AlPO4?

AlPO4 + Ba(OH)2 → Al(OH)3 + Ba3(PO4)2

3 mol Ba(OH)2 / 2 mol AlPO4

1 mol Ba(OH)2/ 1 mol AlPO4

2 mol Ba(OH)2/ 3 mol AlPO4

1 mol Ba(OH)2/ 3 mol AlPO4

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the mole ratio of Mg to MgCl2?

Mg(s) + HCl(aq) → MgCl2(aq) + H2(g)

2 mol Mg/ 1 mol MgCl2

1 mol Mg/ 2 mol MgCl2

1 mol Mg/ 1 mol MgCl2

2 mol Mg/ 2 mol MgCl2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Mg(s) + HCl(aq) →MgCl2(aq) + H2(g)


The reaction of 2.5 mol of HCl will produce ______ mol of MgCl2.

2.5

1.25

5.0

1.0

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If there are 2 moles of oxygen available, which mole ratio will tells how much water is produced?


C3H8 +5O2 → 3CO2 + 4H2O

4 mol H2O/ 5 mol O2

5 mol O2/ 4 mol H2O

2 mol O2/ 4 mol H2O

4 mol O2/ 2 mol H2O

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