CH-70

pH scale

Chemistry · Secondary 3 · Hard · pH scale

A farmer measures the pH of a soil sample and obtains a value of 5.5. Which statement about the hydrogen ion concentration,

[H^+]

, in this soil compared to neutral water (pH 7.0) is correct?

The soil has about 30 times higher $[H^+]$ than neutral water.
The soil has 1.5 times higher $[H^+]$ than neutral water.
The soil has 10 times lower $[H^+]$ than neutral water.
The soil has 100 times higher $[H^+]$ than neutral water.

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.

Loading problem…