Question

Please help with this

Answer 1

Answer:

Question 7:

C

Question 8:

C

Explanation:

Question 7:

If the pH number is smaller, the solution is more acidic. In turn, this means that it contains more H+ ions that OH- ions

Question 8:

A buffer is a solution that can resist pH change upon the addition of an acidic or basic components. It is able to neutralize small amounts of added acid or base, thus maintaining the pH of the solution