What is the Molarity of pH=3 HCl solution? And how do I find out?
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Given:
The pH of HCl solution = 3
To Find:
The Molarity of the given HCl solution.
Calculation:
- We know that:
pH = - log[H⁺]
⇒ 3 = - log[H⁺]
⇒ [H⁺] = 10⁻³ M = 0.001 M
- Since, HCl is a monobasic acid, the concentration of H⁺ will be equal to the concentration of HCl solution.
- Hence, the Molarity of HCl solution = [H⁺]
⇒ M = 0.001 M
- So, the Molarity of the given HCl solution is 0.001 M.
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