A sample of rainwater has a pH of 3.5. What ion is sure to be present in relatively large concentration in this rain sample?

A sample of rainwater has a pH of 3.5. What ion is sure to be present in relatively large concentration in this rain sample?

A sample of rainwater has a pH of 3.5. What ion is sure to be present in relatively large concentration in this rain sample?



A) H3O+

B) SO42-

C) OH-

D) HSO4-



Answer: A) H3O+


Learn More :