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Calculations involving masses

Calculations involving masses

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Question 72

An analysis of the dissolved mineral nutrients in a sample of agricultural runoff is shown in Table 1 below.

Table 1

Dissolved mineralMass in mg per 500 cm3
Nitrate ions135
Phosphate ions45
Potassium ions85
pH of runoff6.2

Calculate the mass of potassium ions in 350 cm3 of this agricultural runoff.

[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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