Skip to content

Course home

Question bank·2.6 Calculations involving masses
Sign up

2.6 Calculations involving masses

EasyMediumHard
1234567891011121314151617
Question 9

A sealed reaction vessel contains 21.5 g of potassium iodide solution and some lead nitrate solution in separate compartments. The solutions are mixed without opening the vessel. After the reaction, the contents have a total mass of 54.0 g. What mass of lead nitrate solution was in the vessel before the solutions were mixed?

[1]
A

32.5 g

B

75.5 g

C

27.0 g

D

54.0 g

Markscheme

2.6 Calculations involving masses Questions

  1. GCSE
  2. /Chemistry
  3. /2.6 Calculations involving masses

142 exam-style questions on Edexcel GCSE Chemistry 2.6 Calculations involving masses, covering 2.6.1 Relative formula mass and percentage composition, 2.6.2 Empirical and molecular formulae, 2.6.3 Conservation of mass, 2.6.4 Reacting masses and concentration in g dm⁻³, 2.6.5 The mole and the Avogadro constant, and 2.6.6 Limiting reactants and stoichiometry. Each one has a worked solution and a mark scheme showing where the marks go.

More questions