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Formula Mass Calculation Worksheet

Calculate formula mass for various chemical compounds, including ionic and covalent compounds, for Grade 11 Chemistry.

Grade 11 Science ChemistryFormula Mass
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Includes

Text2 Short AnswerFill in the BlanksMultiple ChoiceTrue / False

Standards

HS-PS1-7

Topics

chemistryformula massmolecular weightstoichiometrygrade 11
8 sections · Free to use · Printable
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Formula Mass Calculation Worksheet

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Read each question carefully and calculate the formula mass for the given compounds. Show all your work for full credit. Use the provided periodic table element box as a reference for atomic masses.

Reference: Example of an element box from the Periodic Table

Periodic Table Element Box

1. Calculate the formula mass of sodium chloride (NaCl).

2. Determine the formula mass of water (H₂O).

3. The formula mass of calcium carbonate (CaCO₃) is approximately   amu.

4. For a molecule of glucose (C₆H₁₂O₆), the total number of hydrogen atoms is  , and its formula mass is   amu.

5. Which of the following compounds has the largest formula mass?

a

CO₂

b

NH₃

c

SO₂

d

CH₄

6. Calculate the formula mass of aluminum sulfate, Al₂(SO₄)₃.

7. The terms 'formula mass' and 'molecular mass' can always be used interchangeably.

T

True

F

False