Advertisements
Advertisements
प्रश्न
The concentration of hydrogen ion in a sample of soft drink is 3.8 × 10–3 M. what is its pH?
Advertisements
उत्तर
Given
`["H"^(+)] = 3.8 xx 10^(-3) "M"`
∴ pH value of soft drink
`= - log["H"^(+)]`
`= - log(3.8 xx 10^(-3))`
`= - log 3.8 - log 10^(-3)`
= - log 3.8 + 3
= - 0.58 + 3
= 2.42
APPEARS IN
संबंधित प्रश्न
Assuming complete dissociation, calculate the pH of the following solution:
0.002 M HBr
Calculate the pH of the following solutions:
0.3 g of Ca(OH)2 dissolved in water to give 500 mL of solution.
The degree of ionization of a 0.1M bromoacetic acid solution is 0.132. Calculate the pH of the solution and the pKa of bromoacetic acid.
The pH of 0.005M codeine (C18H21NO3) solution is 9.95. Calculate its ionization constant and pKb.
Derive the relation pH + pOH = 14.
Calculate the pH and pOH of 0.0001 M HCl solution.
An aqueous solution of which of the following will have a pH greater than 7?
The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5NH) in a 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 × 10−9) is ____________.
The Ka value for HCN is 10−9. What is the pH of 0.4 M HCN solution?
The pH of a weak monoacidic base is 11.2, and its OH– ion concentration is ______.
Calculate the pH of a buffer solution containing 0.1 M CH3COOH and 0.05 M CH3COONa. Dissociation constant of CH3COOH is 1.8 × 10-5 at 25°C.
Define pH.
The degree of dissociation of 0.1 M monobasic acid is 0.4%. Its dissociation constant is ______.
Define pH.
Define pOH.
Define pOH.
Define pOH.
Which from the following compound in aqueous medium having minimum pH?
