Unit 3 Review

Unit 3 Review

Assessment

Flashcard

Chemistry

11th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the mole used for?

Back

To measure the amount of atoms or molecules in a substance.

2.

FLASHCARD QUESTION

Front

What percent of the earth's freshwater is available for drinking?

Back

1%.

3.

FLASHCARD QUESTION

Front

What is Avogadro's number?

Back

6.02 x 10^23.

4.

FLASHCARD QUESTION

Front

What is the molarity of a solution made by adding 1.565 moles of PbNO3 to 500 mL?

Back

3.13 M.

5.

FLASHCARD QUESTION

Front

What is the molar mass of fluorine gas, F2?

Back

38 g/mol.

6.

FLASHCARD QUESTION

Front

Define molarity.

Back

Molarity is the number of moles of solute per liter of solution.

7.

FLASHCARD QUESTION

Front

What is the formula for calculating molarity?

Back

Molarity (M) = moles of solute / liters of solution.

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