Question
Question: Hydrogen ion concentration in mol/L in a solution of pH = 5.4 will be...
Hydrogen ion concentration in mol/L in a solution of pH = 5.4 will be
A
3.98 × 108
B
3.88 × 106
C
3.68 × 10–6
D
3.98 × 10–6
Answer
3.98 × 10–6
Explanation
Solution
pH = – log[H+] ⇒ [H+] = antilog (–pH) = antilog (–5. 4) = 3.98 × 10–6