The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid

The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid HA (Ka = 2 x 10⁻⁵) is close to

Options

(a) 2 x 10⁻⁵
(b) 2 x 10⁻⁴
(c) 2 x 10⁻³
(d) 2 x 10⁻²

Correct Answer:

2 x 10⁻³

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

View Comments (2)

Related Questions

  1. Pick out the stronger reducing agent among the following oxyacids of phosphorus
  2. The van’t Hoff factor for a solute that associates in solution is
  3. If 18g of water is electrolysed then volume of oxygen obtained at STP is
  4. In the reaction : 2N₂O₅ → 4NO₂ + O₂, initial pressure is 500 atm and rate
  5. Perchloric acid is prepared by the action of concentrated sulphuric acid on