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3 years ago

A small amount of acid is added to a buffer solution, the ph of the solution will

Chemistry

2 answers:

Alik [6]3 years ago

7 0

Increase due to rising ph

Anastasy [175]3 years ago

3 0

A small amount of acid is added to a buffer solution, the ph of the solution will

A. increase

B. decrease

C. stay about the same

D. become neutral

correct option is <u>option C </u>

Buffer is a solution which can resist the change in pH with small addition of acid or base.

Hence a small amount of acid when added to a buffer solution will not change its pH,or its <u>pH remains the same.</u>

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earnstyle [38]

Answer : The pH value of an acid is below 7.

Explanation :

pH : It is defined as the negative logarithm of hydrogen ion or hydronium ion concentration.

Mathematically,

$pH=-\log [H^+]$

When the pH less than 7 then the solution is acidic and the concentration of hydrogen ion is greater than hydroxide ion.

When the pH more than 7 then the solution is basic and the concentration of hydrogen ion is less than hydroxide ion.

When the pH is equal to 7 then the solution is neutral and the concentration of hydrogen ion is equal to the hydroxide ion.

Hence, the pH value of an acid is below 7.

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