Molar Mass and Dimensional Analysis

Molar Mass and Dimensional Analysis

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Mia Campbell

FREE Resource

The video tutorial explains how to convert moles of sodium chloride (NaCl) to grams. It begins by introducing the problem and then calculates the molar mass of NaCl using the periodic table. The conversion process is demonstrated step-by-step, showing how to multiply by the molar mass and cancel out units. An alternative method using dimensional analysis is also presented. The video concludes with a summary of the conversion process.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in converting moles of NaCl to grams?

Determine the molar mass of NaCl

Calculate the density of NaCl

Measure the temperature of NaCl

Find the volume of NaCl

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the molar mass of NaCl?

By using a chemical equation

By dissolving NaCl in water

By measuring the weight of NaCl in a lab

By adding the atomic masses of sodium and chlorine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of NaCl?

100.00 grams per mole

58.44 grams per mole

35.45 grams per mole

22.99 grams per mole

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the moles when you multiply by the molar mass?

They decrease

They double

They cancel out

They increase

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of converting 5.23 moles of NaCl to grams?

58.44 grams

305.64 grams

100.00 grams

200.00 grams

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another method for converting moles to grams?

Dimensional analysis

Statistical analysis

Graphical analysis

Thermal analysis

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In dimensional analysis, what replaces the multiplication symbol?

A division line

An addition sign

A line between two points

A subtraction sign

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