What is the pH of the final solution when 25 mL of 0.021 M HCl has been added to 35 mL of 0.035 M HCl at 25°C?
A) 3.4
B) 1.9
C) 1.5
D) 2.8
E) 3.5

Name: What is the pH of the final solution when 25 mL of 0.021 M HCl has been added to 35 mL of 0.035 M HCl at 25°C? A) 3.4 B) 1.9 C) 1.5 D) 2.8 E) 3.5
Brand: Quizplus
Rating: 5.0 (36 reviews)

Question

Quizplus · Accepted Answer

The final concentration of HCl is calculated by combining the moles of HCl from both solutions and dividing by the total volume. The pH is then calculated using the formula pH = -log[H⁺].

What Is the PH of the Final Solution When 25