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Lesson: Formula Mass Glencoe • Chemistry • Matter & Change • Chemistry • The Molecular Nature of Matter and Change • Eighth Edition • Glencoe Science • Chemistry • Matter and Change

Chemistry

In this lesson, we will learn how to define formula mass and calculate its value for given molecular formulas using atomic masses.

Video

16:49

Sample Question Videos

01:51
03:28
08:12

Worksheet

Q1:

Which of these substances has the largest formula mass?

Q2:

To the nearest g/mol, what is the relative formula mass of (sodium oxide)?

Q3:

What is the M_r of phosphorus trifluoride ?

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