MOLE CONCEPT

MOLE CONCEPT

9th - 12th Grade

10 Qs

quiz-placeholder

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MOLE CONCEPT

MOLE CONCEPT

Assessment

Quiz

Science

9th - 12th Grade

Practice Problem

Easy

Created by

Dedeth rivera

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What is the value of Avogadro’s number?

6.02 × 10²²

6.02 × 10²³

6.02 × 10²⁴

6.02 × 10²⁵

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What do we call the amount of substance that contains 6.02 × 10²³ particles?

Atom

Mole

Mass

Ion

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What is the unit for molar mass?

g

g/mol  

mol

mol/g

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

How are moles, mass, and number of particles related?

The more moles, the more particles and mass.

The more moles, the fewer particles.

Moles and mass are not related.

Moles only refer to atoms, not molecules.

5.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

If you double the mass of a substance, what happens to the number of moles?

It doubles.

It becomes half.

It stays the same. 

It becomes zero.

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Why do chemists use moles instead of counting individual atoms?

Atoms are too small and too many to count one by one.

Moles are easier to spell.

Counting atoms is faster.

Moles are only used in biology.

7.

FILL IN THE BLANK QUESTION

5 sec • 1 pt

How many moles are in 18 g of water (H₂O)?
(Molar mass = 18 g/mol)

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