CFA - Mole Conversions

CFA - Mole Conversions

10 Qs

quiz-placeholder

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CFA - Mole Conversions

CFA - Mole Conversions

Assessment

Quiz

others

Medium

Created by

LANIE MAE DE LA TORRE

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do chemists use moles instead of actual masses of atoms?
Atoms and molecules are too small to see under a microscope.
Actual masses of atoms, molecules, and ions are too small to use in calculations.
Moles help determine the density of an atom.
Moles are used to identify isotopes of an element.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol for a mole?
mo
ml
mn
mol

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol for mass?
kg
k
g
gs

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the mole used in chemistry?
To measure the exact weight of an atom.
To simplify calculations for large numbers of particles.
To determine the density of a substance.
To balance chemical equations automatically.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many particles are in 1 mole of a substance?
6.02×10 to the power of 22
6.01×10 to the power of 23
6.02×10 to the power of 23
6.01×10 to the power of 22

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If 4 moles of NaCl are present, what is the mass (in grams)? (Molar Mass of NaCl = 58.44 g/mol)
58.44 g
116.88 g
233.76 g
29.22 g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a sample of CH₄ has a mass of 48.12 g, how many moles are present? (Molar Mass of CH₄ = 16.04 g/mol)
3.00 moles
0.33 moles
1.00 moles
2.35 moles

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