How often Stoichiometry and solutions is asked
4 of 4
papers asked it
avg 25 marks · last May 2018
Worth 2–8 marks when it appears as a written question, plus 10 multiple-choice items.
Where it was asked
The questions
Oct/Nov 2017, Q1.32 marks · multiple choice
From your knowledge of solubility guidelines, which of the following compounds is soluble in water?
Oct/Nov 2017, Q2.23 marks · multiple choice
A volume of 25.00 cm³ of a 0.7892 mol dm⁻³ solution of sodium hydroxide is transferred into an empty 350.00 cm³ volumetric flask. The flask is then filled to the mark with distilled water and shaken well. What is the concentration of hydroxide in this second flask?
Oct/Nov 2017, Q2.63 marks · multiple choice
A solution is prepared by dissolving 50.0 g (0.297 mol) of cesium chloride (CsCl) in 50.0 g (2.77 mol) of water, giving a solution with a volume of 63.3 mL. Which of the following is true for this solution regarding its molarity and molality?
Oct/Nov 2017, Q5.14 marks
A compound that is used to boost the properties of petrol has the following percentage composition by mass: 49.5% carbon, 3.2% hydrogen, 22.1% oxygen, and 25.2% manganese. Determine the empirical formula of this compound.
Oct/Nov 2017, Q5.24 marks
The mineral ilmenite, FeTiO3, serves as a source of titanium. Calculate the mass, in grams, of ilmenite that would be required to obtain 685 g of titanium.
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