What is the pH of a 0.20 M {eq}KCHO_2 {/eq} solution?
Question:
What is the pH of a 0.20 M {eq}KCHO_2 {/eq} solution?
Strong Base - Weak Acid Salt:
If the cationic part of a neutral salt comes from a strong base and its anionic art comes from a weak acid, it will be a strong base - weak acid salt. The salt may be neutral, but its aqueous solution will be basic, as the molar concentration of the {eq}\rm OH^- {/eq} ions will be greater than the molar concentration of the {eq}\rm H^+ {/eq} ions and the pH of the solution of such salt is always greater than 7.
Answer and Explanation: 1
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We are given
- The molar concentration of the {eq}\rm KCHO_2 {/eq} solution is given by:
{eq}C = \rm 0.20 \ M {/eq}
We know
- The {eq}pK_a {/eq}...
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Chapter 10 / Lesson 7How to calculate pH of a solution? Learn about pH equation and how this equation can be used when finding pH of a given solution. Also, see examples.