Quiz:

 

Q1: The pH and concentration of [H⁺] in 0.1M NaOH solution?

Ans: pH=13 and [H⁺]= 10^-13

 

Q2: What is the pH of a mixture of 0.032M NaH₂PO₄ and 0.018M Na₂HPO₄? Given pKa=6.86

Ans: pH=6.61

Q3: What will be the [OH^-] in a 0.1M NaOH Solution?

Ans: [OH^- ]=10^-1

Q4: Enlist the different types of biological buffers and their locations in the body?

Q5: Calculate the ratio of salt and acid to prepare the 0.1 M phosphate buffer with pH 6.8, Given pKa=6.8 ?

Ans= 1.0