Which one of these has a higher concentration of H+ ions:

Question

Crystals of copper sulphate are heated in a test tube for some time. 

(i) What is the colour of copper sulphate crystals 

(a) before heating, and 

(b) after heating? 

(ii) Which one of these has a higher concentration of H+ ions? 

1 M HCl or 1M CH₃COOH

Answer 1

(i) (a) Blue 

(b) White 

(ii) 1 M HCl