Moles and Molar Mass

Moles and Molar Mass

Assessment

Flashcard

Chemistry, Science

10th Grade

Practice Problem

Hard

Created by

Wayground Content

Used 1+ times

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the molar mass of sodium?

Back

23 g/mol

2.

FLASHCARD QUESTION

Front

The molar mass of an element is equal to its...

Back

Atomic mass (from the periodic table)

3.

FLASHCARD QUESTION

Front

How many atoms are in 1.50 moles of Hg?

Back

9.03x10^23 atoms Hg

4.

FLASHCARD QUESTION

Front

What is the mole used for?

Back

To measure the amount of atoms or molecules in a substance

5.

FLASHCARD QUESTION

Front

What is the molar mass of cyanide (CN-)?

Back

26.02 g/mol

6.

FLASHCARD QUESTION

Front

Define 'mole' in chemistry.

Back

A mole is a unit that measures the amount of substance, defined as containing exactly 6.022 x 10^23 particles (atoms, molecules, etc.).

7.

FLASHCARD QUESTION

Front

What is Avogadro's number?

Back

6.022 x 10^23, the number of particles in one mole of a substance.

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