Question Constellation Sign up for free

AQA · GCSE · Combined Science · Higher

Concentration changes on the pH scale

Q06.4 2 marks

The concentration of hydrochloric acid is increased by a factor of 100

What is the change in pH?

Write your answer first. You can study the marking guidance whenever you need it.

Answer this question
Study the marking See what earns credit and compare it with a full-mark answer.

What a strong answer needs

  1. 1 pH unit
  2. 2 Factor ten
  3. 3 Direction
Answer this question Try a related question