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Mole to Mass Conversion Worksheet

Grade 9 Science worksheet focusing on converting between moles and mass using molar mass and the periodic table.

Grade 9 Science ChemistryMole to Mass Conversion
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Includes

Fill in the BlanksShort AnswerMultiple ChoiceCustomTrue / False

Standards

HS-PS1-7

Topics

ChemistryMole ConversionMolar MassGrade 9
7 sections · Free to use · Printable
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Mole to Mass Conversion Worksheet

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Read each question carefully and answer to the best of your ability. Show all your work for calculations.

1. The molar mass of an element is numerically equal to its   mass found on the periodic table.

2. To convert from moles to mass, you must   the number of moles by the molar mass.

3. The unit for molar mass is  .

4. Explain what a mole represents in chemistry.

5. What is the molar mass of Sodium (Na)?

a

11 g/mol

b

22.99 g/mol

c

23 amu

d

1 g/mol

Use the provided periodic table element box to answer the following question:

Periodic Table Element Box

6. If the element box above represents Carbon (C), what would be its approximate molar mass?

7. Calculate the mass of 0.5 moles of Water (H₂O). (Atomic masses: H=1.01 g/mol, O=16.00 g/mol)

8. How many moles are present in 120 grams of Calcium Carbonate (CaCO₃)? (Atomic masses: Ca=40.08 g/mol, C=12.01 g/mol, O=16.00 g/mol)

9. The molar mass of a compound is the sum of the atomic masses of all atoms in the compound.

T

True

F

False