Yoyp535 Yoyp535

05-02-2020
Chemistry

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What is the pH of an aqueous solution with the hydronium ion concentration : [H3O+] = 6.3 x 10-6 M ?

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nwandukelechi nwandukelechi

05-02-2020

Answer:

pH = 5.2

Explanation:

pH of a solution is defined as the concentration of hydrogen ion in a solution. It is also the negative logarithmic value of the concentration of hydrogen ion. It determines the acidity or alkalinity of a solution.

HA(aq) + H2O(l) --> A-(aq) + H3O+(aq)

pH = -log[H3O+]

= - log [6.3 x 10-6]

= 5.200

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