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Acids

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Question 188

An excess of zinc powder is added to a fixed volume of dilute nitric acid of pH 4. The volume of hydrogen gas produced is measured over time.

The experiment is repeated using the same mass of excess zinc and the same volume of dilute nitric acid, but this time with a pH of 2.

State how many times greater the concentration of hydrogen ions is in the acid of pH 2 than in the acid of pH 4.

[1]

Acids Questions

  1. GCSE
  2. /Chemistry
  3. /Acids

Practise Edexcel GCSE Chemistry Acids with exam-style questions for Foundation and Higher tier. 276 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank