Science 30 student has a hydrogen carbonate ion hco3-aq

Question

Water in the Bow River contains a relatively high amount of dissolved limestone. CaCO₃(aq), a weak base. This is an indication that the bedrock of the Bow River

Select one:

a. donates a small amount of protons to the water

b. has a low buffering capacity

c. donates a large amount of protons to the water

d. has a high buffering capacity

A Science 30 student has a hydrogen carbonate ion, HCO₃^-(aq), solution. Which of the following substances could she add to make a solution with the lowest pH?

Select one:

a. CH₃COOH(aq)

b. H₂S(aq)

c. NH₄⁺(aq)

d. H₂O(l)

You find that the air sample taken contains a higher concentration of sulfur dioxide. The likely source of this gas is

Select one:

a. the releasing of sulfates from fertilizers

b. emissions from natural gas plants

c. the clearing and burning of trees

d. excessive amounts of plant life growing in a slough near the city