CH-18

pH scale

Chemistry · Secondary 3 · Hard · pH scale

A student measures the pH of four solutions: W (pH 2), X (pH 6), Y (pH 8) and Z (pH 13). Which statement about their hydrogen ion concentrations is correct?

Solution W has 4 times more H⁺ than solution X.
Solution W has 100 times more H⁺ than solution X.
Solution W has 1000 times more H⁺ than solution X.
Solution W has 10000 times more H⁺ than solution X.

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