STANDARDChemistry-Acids and Bases
STANDARD Chemistry pH Calculations MCQ Question
Type: MCQ-numerical-Medium
What is the pH of a solution obtained by mixing 10 mL of 0.1 M HCl and 40 mL of 0.2 M H₂SO₄?
A
0.74
B
7.4
C
4.68
D
0.468
Correct Answer
Option D
Detailed Explanation
The total millimoles of H⁺ from HCl is 1, and from H₂SO₄ is 16. The total volume is 50 mL, giving a concentration of 0.34 M. The pH is calculated as -log(0.34) = 0.468.
Found an issue with this question?