Question

HEY FRIENDS...

PL EXPLAIN THE QUESTION IN THE ABOVE ATTACHMENT.

Answer 1

On adding water the (H+) ions of the acid and (OH-) ions of water react to form water molecules and the concentration of hydronium ions decreases.

In other words:

Previously

(H+) + H2O →(H3O+)

After dilution

(H+) + (OH-) →H2O

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Answer 2

the first thing to remember the hydronium ion determines that it is an acid

the second thing more H3O+ ions more is the strength of the acid and vice versa