1.12 An aqueous solution of copper (II) sulphate was made b…
Questions
1.12 An аqueоus sоlutiоn of copper (II) sulphаte wаs made by adding excess copper (II) oxide to dilute sulphuric acid. The mixture was heated, stirred, and then filtered. (1) Right-click on the button to open the data booklet in a new tab. What was the pH of the acid before adding the copper (II) oxide and of the solution after filtration? pH of acid before adding copper (II) oxide pH of solution after filtration A greater than 7 7 B greater than 7 less than 7 C less than 7 7 D less than 7 greater than 7
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