ACE OpenStax Chapter 3 Test

ACE OpenStax Chapter 3 Test

Assessment

Flashcard

Chemistry

University

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is molarity?

Back

Molarity (M) is a measure of concentration defined as the number of moles of solute per liter of solution.

2.

FLASHCARD QUESTION

Front

How do you calculate the volume of a diluted solution?

Back

Use the formula: C1V1 = C2V2, where C1 and V1 are the concentration and volume of the concentrated solution, and C2 and V2 are the concentration and volume of the diluted solution.

3.

FLASHCARD QUESTION

Front

What is the relationship between moles and molecules?

Back

1 mole of any substance contains Avogadro's number of molecules, which is approximately 6.022 x 10^23.

4.

FLASHCARD QUESTION

Front

What is the molar mass of a compound?

Back

The molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in the molecule.

5.

FLASHCARD QUESTION

Front

How do you convert atoms to moles?

Back

To convert atoms to moles, divide the number of atoms by Avogadro's number (6.022 x 10^23).

6.

FLASHCARD QUESTION

Front

What is the formula for calculating the number of molecules in a given number of moles?

Back

Number of molecules = moles x Avogadro's number (6.022 x 10^23).

7.

FLASHCARD QUESTION

Front

What does dimensional analysis involve?

Back

Dimensional analysis is a method used to convert units by multiplying by conversion factors that relate different units.

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