Chapter 10

Normal blood pH is about ________.

7.4

The correct formula for sulfuric acid is ________.

H2SO4

The name of H2SO4 is hydrosulfuric acid.

False

Which of the following is a buffer system?

H2CO3(aq) and KHCO3(aq)

Identify the Brønsted-Lowry acid in the following reaction. H2O(l) + CO32-(aq) → HCO3-(aq) + OH-(aq)

H2O

The conjugate acid of H2O is ________.

H3O+

Which of the following is the strongest acid?

HCl

HBr is a strong acid.

True

KOH is a strong base.

True

According to the Brønsted-Lowry definition, ________.

a base is a proton acceptor

The name of Al(OH)3 is ________.

aluminum hydroxide

Which one of the following is characteristic of a base?

has a slippery, soapy feel

Which one of the following is characteristic of an acid?

produces H3O+ in water

According to LeChâtelier's principle, predict whether adding H2O causes the system to shift in the direction of reactants, products, or no change. NH4+(aq)+H2O(l)⇌NH3(aq)+H2O+(aq)

products

In a buffer system of HF and its salt, NaF, ________.

the HF neutralizes added base