Intro to The Mole Concept

Intro to The Mole Concept

Assessment

Flashcard

Chemistry

10th - 11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a mole in chemistry?

Back

A mole is a unit of measurement used to express the amount of a substance. It is defined as the amount of substance that contains as many entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12.

2.

FLASHCARD QUESTION

Front

Why is the mole used to measure atoms?

Back

Atoms are extremely tiny particles, and their size varies from element to element.

3.

FLASHCARD QUESTION

Front

How many atoms are in one mole of any substance?

Back

6.02 x 10^23 atoms.

4.

FLASHCARD QUESTION

Front

How many Carbon atoms are in 4 moles of Carbon?

Back

2.408 x 10^24 Carbon atoms.

5.

FLASHCARD QUESTION

Front

What is Avogadro's number?

Back

Avogadro's number is 6.02 x 10^23, which is the number of particles in one mole of a substance.

6.

FLASHCARD QUESTION

Front

How do you calculate the number of atoms in moles?

Back

Multiply the number of moles by Avogadro's number (6.02 x 10^23).

7.

FLASHCARD QUESTION

Front

What is the mass of one mole of Carbon-12?

Back

12 grams.

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