What would be the best explanation for the fact that most natural water has a pH of about 5.6?
A)Carbon dioxide reacts with water to form an acid.
B)Air contains acid rain particles.
C)Minerals that are dissolved in water are often acidic.
D)Many salts that dissolve in natural waters make the water basic.
E)none of the above

Question

Quizplus · Accepted Answer

Carbon dioxide reacts with water to form carbonic acid, which has a pH of about 5.6. This is a common occurrence in natural water systems.

What Would Be the Best Explanation for the Fact That