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Calculations involving masses

Calculations involving masses

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Question 121

An analytical chemist prepares samples to test for heavy metal contamination in agricultural soil. Each extraction tube is prepared by adding 6.40 cm3 of a standard hydrochloric acid (HCl\text{HCl}HCl) extraction reagent.

1.00 dm3 of this reagent contains 145 g of hydrogen chloride (HCl\text{HCl}HCl).

Calculate the total mass of hydrogen chloride used to prepare 150 extraction tubes.

[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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