Acids, Bases, and Salts!

Which acid is stronger?

100

HF or HCl?

HCl

200

H₂O or HF?

HF

300

CH₄ or NH₃

NH₃

400

H₂SO₄ or HClO₄

HClO₄

500

HBrO₂ or HBrO₃?

HBrO₃

SA, WA, SB, WB, or salt?

100

HIO₃

Weak acid

200

C₆H₅COOH

Weak acid

300

Ba(OH)₂

Strong Base

400

Na₂CO₃

Salt

500

CH₃CH₂NH₂

Weak base

Make the equation with H2O

100

HCl

-> Cl-  +  H3O+

200

HNO₃

-> NO3-    +  H3O+

300

Br-

-> OH-     +    HBr

400

H2O

-> OH-   +   H3O+

500

C₆H₅COOH

-> C₆H₅COO-   +   H3O+

What kind of salt is this?

100

KBr

Neutral

200

K₂CO₃

Basic

300

NaClO₄

Neutral

400

NH₄Br

Acidic

500

(CH₃CH₂)₂NH₂⁺Cl^-

Acidic

Calculations

100

What's the pH of HCl with a concentration of 0.5 M?

0.301

200

What's the pH of LiOH with a concentration of 0.45 M?

13.65

300

What's the [OH-] of an acid with a pH of 4.5?

3.16 E -10

400

A 0.100 M HF solution has a pH of 4.25. Find the Ka for HF. Then, find the percent ionization.

Ka=3.16 E-8

PI=5.62 E-4

500

Calculate the pH of a 0.250 M KNO_2. (Ka [HNO₂] = 4.0 x 10^-4)

8.398