Please choose the correct option to complete the following statements. (6 marks)

a) If a large amount of base is added to water, the pH of resulting solution would most likely Increase/decrease/remain the same
Explain your choice

b) If a small amount of acid is added to a buffer with pH 6.5, the pH of resulting solution would most likely increase/decrease/remain the same
Explain your choice

c) If a very large amount of strong acid is added to a buffer with pH 6.5, the pH of resulting solution would most likely increase/decrease/remain the same
Explain your choice

3 answers

I will be happy to critique your thinking on these.
I think it's increase, remain the same and decrease but Im not sure...
Your answers are right. The trick is, can you explain why you're right?