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Mole Problems and Conversions

Mole Problems and Conversions

Assessment

Interactive Video

Chemistry, Mathematics, Science

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers two-step mole problems, explaining how to start from an external location, pass through the mole center, and reach another location using two conversion factors. It provides a step-by-step guide to solving mole problems, emphasizing the importance of identifying given information, desired outcomes, and necessary conversion factors. Two examples are demonstrated: converting grams of sulfur dioxide to molecules and determining the volume of nitrogen dioxide from its mass.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between one-step and two-step mole problems?

One-step problems involve three conversion factors.

Two-step problems start and end at the mole center.

One-step problems require two conversion factors.

Two-step problems involve starting from an outside location and passing through the mole center.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a mole problem?

Determine the conversion factors.

Find the final answer.

Identify what you are given.

Calculate the molar mass.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Example 1, what is the molar mass of sulfur dioxide used for conversion?

46.01 g/mol

32.00 g/mol

14.01 g/mol

64.07 g/mol

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number is used to convert moles to molecules in Example 1?

14.01 g/mol

6.02 x 10^23

22.4 L

46.01 g/mol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of converting 10 grams of sulfur dioxide to molecules?

4.6 x 10^21 molecules

1.0 x 10^24 molecules

6.02 x 10^23 molecules

9.4 x 10^22 molecules

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Example 2, what is the molar mass of nitrogen dioxide used for conversion?

32.00 g/mol

64.07 g/mol

46.01 g/mol

14.01 g/mol

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What conversion factor is used to convert moles to volume in liters for gases?

22.4 L per mole

14.01 g/mol

46.01 g/mol

6.02 x 10^23

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