Chemistry and Stoichiometry

Chemistry and Stoichiometry

12th Grade

10 Qs

quiz-placeholder

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Chemistry and Stoichiometry

Chemistry and Stoichiometry

Assessment

Quiz

Chemistry

12th Grade

Hard

NGSS
HS-PS1-7, HS-LS1-7

Standards-aligned

Created by

Peter Chaney

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of stoichiometry in chemistry?

To measure the mass of chemicals

To balance chemical equations

To convert atomic mass into grams

To predict reactions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relative atomic mass of carbon?

12.01 amu

16 amu

1.008 amu

55.85 amu

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of a mole?

The number of atoms in 12 grams of carbon-12

The number of atoms in 1 gram of carbon-12

The number of atoms in 6.022 x 10^23 grams of carbon-12

The number of atoms in 1 gram of any element

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of hydrogen?

1.008 g

12.01 g

55.85 g

16 g

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the molar mass of a compound?

By adding up the molar masses of its component elements

By dividing the molar mass of the compound by the number of moles

By multiplying the molar mass of the compound by Avogadro's number

By subtracting the molar mass of the compound from the molar mass of carbon-12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of balancing a chemical equation?

To determine the molar mass of the reactants

To ensure the conservation of mass

To calculate the specific masses of the products

To convert atoms into grams

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many molecules of CO2 are produced when one molecule of sucrose is metabolized?

6.022 x 10^23

12

22

35

Tags

NGSS.HS-LS1-7

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