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Acids and bases (A-level only)

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Question 13

A student is analysing a sample of wastewater discharged from an industrial metal-treatment plant. The wastewater is found to contain sulfuric acid (H2SO4\text{H}_2\text{SO}_4H2​SO4​) at a concentration of 0.0075 mol dm-3.

Assuming complete dissociation of both protons, what is the pH of this wastewater sample?

−2.12-2.12−2.12

2.122.122.12

−1.82-1.82−1.82

1.821.821.82

Acids and bases (A-level only) Questions

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