Chemistry Conversion Problems
A Grade 12 chemistry worksheet covering unit conversions, stoichiometry, and solution calculations.
Includes
Standards
Chemistry Conversion Problems
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Read each question carefully and show all your work for full credit. Pay close attention to units and significant figures.
1. Convert 750 milliliters (mL) to liters (L).
2. A reaction yields 35.6 grams of product. How many kilograms (kg) is this?
3. The molar mass of water (H₂O) is approximately g/mol.
4. Avogadro's number states that one mole of any substance contains particles.
5. How many moles are present in 54.0 grams of water (H₂O)? (Molar mass of H₂O = 18.0 g/mol)
1.0 mole
2.0 moles
3.0 moles
4.0 moles
6. A solution contains 0.25 moles of NaCl in 500 mL of water. Calculate the molarity (M) of the solution.
7. How many grams of glucose (C₆H₁₂O₆) are needed to prepare 250 mL of a 0.50 M solution? (Molar mass of C₆H₁₂O₆ = 180.16 g/mol)
8. The conversion factor between grams and moles is the atomic mass of the element.
True
False
9. Density can be used as a conversion factor between mass and volume.
True
False
10. If 15.0 grams of sodium hydroxide (NaOH) reacts completely with hydrochloric acid (HCl), how many grams of water (H₂O) are produced? (Balance the equation first: NaOH + HCl → NaCl + H₂O)