Bases, Indicators and Buffer Solutions Flashcards Preview

Chemistry Unit 1 > Bases, Indicators and Buffer Solutions > Flashcards

Flashcards in Bases, Indicators and Buffer Solutions Deck (3)
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0
Q

What is. Buffer

A

One which the pH remains constant when small amounts of acid or base or water added

1
Q

Explain the graphs with diff strengths of acid and alkali

A

Strong acid and alkali is pH 7
Strong acid weak alkali below 7
Weak acid strong alkali above 7
Weak acid and alkali pH 7 straighter line

2
Q

The pH of an acid buffer solution an be calculated using the expression

A

pH = pKa - log [acid/salt]