Find the pH of each mixture of acids given the table of Ka values.
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
1. 8.0×10^−2 M in HNO3 and 0.165 M in HC7H5O2
Express your answer to two decimal places.
2. 1.5×10^−2 M in HBr and 2.0×10^−2 M in HClO4
Express your answer to two decimal places.
3. 9.0×10−2 M in HF and 0.230 M in HC6H5O
Express your answer to two decimal places.
4. 0.100 M in formic acid and 5.5×10−2 M in hypochlorous acid
Express your answer to two decimal places.
Pleas help!!