Mole to Mass Conversion Worksheet
A Grade 10 chemistry worksheet focusing on mole to mass conversions using molar mass, with practice problems and a periodic table illustration.
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Mole to Mass Conversion
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Carefully read each question and follow the instructions to convert between moles and mass. Remember to use the periodic table to find molar masses (round to two decimal places). Show all your work for full credit.
Reference: Illustration of a periodic table element box to help with atomic mass.
1. The mass of one mole of a substance is called its .
2. To convert from moles to mass, you must the number of moles by the molar mass.
3. The units for molar mass are typically .
1. Calculate the mass of 3.5 moles of water (H₂O).
2. What is the mass of 0.75 moles of carbon dioxide (CO₂)?
1. How many moles are in 80.0 grams of sodium hydroxide (NaOH)?
2. Determine the number of moles in 245 grams of sulfuric acid (H₂SO₄).
1. Which of the following correctly represents the molar mass of oxygen gas (O₂)?
16.00 g/mol
32.00 g/mol
1.00 g/mol
2.00 g/mol
2. How many grams are in 0.5 moles of NaCl (sodium chloride)? (Na = 22.99 g/mol, Cl = 35.45 g/mol)
29.22 g
58.44 g
116.88 g
81.43 g
1. The molar mass of a compound is the sum of the atomic masses of all atoms in its chemical formula.
True
False
2. Converting from mass to moles requires dividing by the molar mass.
True
False