Molecular Chemistry

Presentation

•

Chemistry

•

10th - 12th Grade

•

Hard

Joseph Anderson

FREE Resource

3 Slides • 9 Questions

Mass and the Mole Part 2

Multiple Choice

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

Multiple Choice

How many water molecules are in 5.2 moles of water?

6.02 x 10²³

5.2

3.1304 x 10²⁴

8.638 x 10^-24

Multiple Choice

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

Multiple Choice

What is the molar mass of AuCl₃?

96 g

130 g

232.5 g

303.3 g

Multiple Choice

Molar mass is in units of ________.

grams

grams/mole

mole

moles/gram

Multiple Choice

What is the mass of 2.50 mol of oxygen gas O₂?

40 g

80 g

16 g

32 g

Multiple Choice

What is the mass in grams of 5.90 mol C₈H_18?

.0512 g

19.4 g

673 g

389 g

Multiple Choice

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

Multiple Choice

How many moles of carbon dioxide would be found int 11.2 L of the gas?

1 mol

0.5 mol

0.25 mol

0.05 mol

Mass and the Mole Part 2

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