Question

Please answer all parts as I am limited on questions. Thanks in advance.

Find the pH of each mixture of acids given the table of Ka values. TABLE::

Acid Ka

benzoic acid 6.5×10−5

formic acid 1.8×10−4

hydrobromic acid >1

hydrofluoric acid 6.8×10−4

hypochlorous acid 2.9×10−8

nitric acid >1

perchloric acid >1

phenol 1.3×10−10

Questions:

A: 8.0×10⁻² M in HNO3 and 0.185 M in HC7H5O2

Express your answer to two decimal places.

B: 1.5×10⁻² M in HBr  and 1.0×10⁻² M  in HClO4

Express your answer to two decimal places.

C: 9.5×10⁻² M in HF and 0.225 M in HC6H5O

Express your answer to two decimal places.

D: 0.110 M in formic acid and 5.5×10⁻² M in hypochlorous acid

Express your answer to two decimal places.

Answer 1