STOI MS Moles A to B Grams New - Contents

Page 1Introduction - ReviewThe mole concept
2 marksPage 2Mole practicePractice deducing amounts in moles consumed or produced in a chemical reaction
Page 3Molar mass - ReviewThe mole concept and chemical formulae
3 marksPage 4Molar mass practiceCalculating molar mass from given formulae
Page 5Molar mass and amount in moles - Review
3 marksPage 6Relating masses
Page 7Problem summary - Review
Page 8Relating moles substances in reaction - ReviewAn introduction to the relationship between the amounts in moles of substances formed or consumed in a chemical reaction
Page 9Planning is important! - Review
15 marksPage 10Practice problemThe fertilizer ammonium sulfate is produced by: 2NH₃ + H₂SO₄ → (NH₄)₂SO₄
Calculate the mass in g of ammonia required to produce 100 g (NH₄)₂SO₄.
15 marksPage 11Practice problem
H₂(g) + Cl₂(g) → 2HCl(g)
Calculate the mass of Cl₂ required to produce 2.45 g HCl.
15 marksPage 12Practice problemDecomposition of KClO₃on heating with MnO₂ as catalyst is used in a laboratory preparation of O₂. If 46.0 g KClO₃ are used, what mass in grams of O₂ is produced?
2KClO₃(s) → 2KCl(s) + 3O₂(g)
Page 13Summary of method - Review