Stoichiometry and Avogadro

Stoichiometry and Avogadro

10th Grade

20 Qs

quiz-placeholder

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Stoichiometry and Avogadro

Stoichiometry and Avogadro

Assessment

Quiz

Chemistry

10th Grade

Hard

NGSS
HS-PS1-7

Standards-aligned

Created by

Charles Martinez

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of molar mass?
number of grams per one mole of a substance
whole number ratio that is a multiple of a chemical formula
simplest, whole number ratio of a chemical formula
6.02 x 10^23 particles per one mole of a substance

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Molar mass is in units of ________.
grams
grams/mole
mole
moles/gram

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the molar mass of AuCl3?
96 g
130 g
232.5 g
303.3 g

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition for Avogadro's number?
number of grams per one mole of a substance
whole number ratio that is a multiple of a chemical formula
simplest, whole number ratio of a chemical formula
6.02 x 10^23 particles per one mole of a substance

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which would have more atoms?
1 mole of Li
1 mole of Au
1 mole of Si
None, all are equal

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which represents the greatest mass of sulfur?
1 gram of sulfur
1 molecule of sulfur
0.5 mole of sulfur
6.02 x 1023 atoms of sulfur

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles are present in 32.3 grams of carbon dioxide (CO2)?
44.01 moles
1421.52 moles
32.3 moles
0.73 moles

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