CH-1094
pH scale
Chemistry · Secondary 4 · Medium · pH scale
A student measures the pH of four solutions at 25 °C: W (pH 2), X (pH 5), Y (pH 7) and Z (pH 9). Which statement about hydrogen ion concentration is correct?
- W has 3 times the hydrogen ion concentration of X.
- W has 100 times the hydrogen ion concentration of X.
- W has 1000 times the hydrogen ion concentration of X.
- X has 1000 times the hydrogen ion concentration of W.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.