Question
Calculate the [ H _3 O ^+] if pH of the solution is 4.25
MHT CET
Chemistry
Ionic Equilibrium
2026
MHT CET 2026 (19 April Shift 2)
MHT CET Chemistry Question (2026) — Solution
Options
- A. 6.123 10^ -5 M
- B. 5.623 10^ -5 M
- C. 4.508 10^ -5 M
- D. 4.085 10^ -5 M
Answer
B. 5.623 10^ -5 M
Step-by-step solution
pH = - [ H _3 O ^+] [ H _3 O ^+] = 10^ - pH [ H _3 O ^+] = 10^ -4.25 [ H _3 O ^+] = 10^ 0.75 10^ -5 [ H _3 O ^+] = 5.623 10^ -5 M Answer: 5.623 10^ -5 M
Related: Chemistry — Ionic Equilibrium · All PYQ Banks