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Moles

Authored by Joseph Messina

Chemistry

10th - 11th Grade

Used 1+ times

Moles
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14 questions

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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

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

Media Image

What is the numerical value of Avogadro's number?

60.22x1023
6.022x1023
6.022x1032
6.022x1024

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