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Card 36

Front

Why is methyl orange not suitable as an indicator for the titration between NaOH and CH3COOH?

Back

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Card 37

Front

Why does the pH in a strong base - weak acid titration only change gradually at first?

Back

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Card 38

Front

What is a buffer solution?

Back

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Card 39

Front

Give an acid buffer.

Back

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Card 40

Front

Give the most common basic buffer.

Back

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Card 41

Front

How does an acidic buffer of sodium ethanoate and ethanoic acid oppose the addition of an acid (H+ ions?)

Back

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Card 42

Front

Write two equations for the reaction of a base, OH- , with this acid buffer.

Back

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Card 43

Front

What is the equation for calcuating the [H+] of an acidic buffer?

Back

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Card 44

Front

What is the important buffer in the blood?

Back

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Card 45

Front

Give another equilibrium this acid is found in, with CO2

Back

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