Practice question
Question
A weak acid HX ( Ka = 1.0 × 10⁻⁴ ) has a 0.1 M solution mixed with 0.05 M NaX in a 1:2 volume ratio. What is the pH?
Explanation
Total volume = 3V, [HX] = (0.1V/3V) = 0.0333 M , [X-] = (0.05 × 2V/3V) = 0.0333 M , pH = 4 + log (0.0333/0.0333) = 4 .
Related blogs
Guides and insights connected to this topic
SARS-CoV-2 Coronavirus: Structure, Genome, Proteins, Replication, Pathogenesis, and Host Interaction
Coronavirus Overview Coronaviruses (CoVs) are enveloped viruses (surrounded by a lipid membrane derived from host cells), belonging to the s...
Coronavirus Structure, Genome, Replication, Symptoms, Pathogenesis, and Prevention
Structure of Coronavirus Coronaviruses (enveloped RNA viruses) fall in the virus family Coronaviridae, order Nidovirales. They are enveloped...