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Calculations involving masses

Calculations involving masses

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Question 103

An analysis of the dissolved solids in a brand of spring water is shown in Table 1 below.

Table 1

Dissolved solidsMass in mg per 1000 cm3
Magnesium ions40
Potassium ions8
Chloride ions90
pH of water7.4

Calculate the mass of magnesium ions in 150 cm3 of this spring water.

[2]
Markscheme

Calculations involving masses Questions

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

258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.

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