Question

When an acid is mixed with water, what happens to:- a) The conc. of hydronium ions per unit volume. b) The conc. of hydroxide ions per unit volume.

Answer 1

The acid breaks into H+ ions and forms hydronium ion.
A) The conc. of hydronium ions per unit volume.

Answer 2

Answer:

When an acid is mixed with water-

1) the concentration of hydronium ions per unit volume decreases.

2) The concentration of hydroxide ions per unit volume decreases.

As volume of solution is increased but number of ions remain same, so ions per unit volume decreases.

Explanation:

• When an acid is diluted, the awareness of hydronium ions (H3O+) according to unit quantity decreases. This way that the energy of an acid decreases.
• When the answer of a base is diluted through blending extra water in it, the awareness of hydroxide ions (OH– ions) according to unit quantity decreases.
• The quantity of ions according to unit quantity sporting the contemporary decreases on dilution, so conductivity usually decreases with lower in awareness. However, molar conductivity will increase with dilution because of boom in diploma of dissociation which boom the quantity of ions.
• On dilution, the equal conductivity and the molar conductivity will increase. This is due to the fact the diploma of dissociation and the entire quantity of ions will increase. However the conductivity decreases because the quantity of ions according to unit quantity decreases

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