Question

What is the pH of a solution of 0.36 M HCl

Answer 1

HCl is a strong acid, so we use the following formula:

[H^+] = a × Molarity

= 1 × 0.35 M

= 0.35 M (the concentration of H^+)

pH = - log [H^+]

= - log 3.5×10^-1

= 1 - log 3.5

= 0.456

Answer 2

Answer:

0.443

Explanation:

• HCl is strong acid
• on dissociation it will give

              HCl --------> H⁺ + Cl⁻

Given:

0.36M HCl concentration means

[H⁺] = 0.36

To Find:

pH = ?

Solution:

pH = -log[H⁺]

pH = -log[0.36]

pH = 0.443

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