Which of the following solutions has the greater buffer capacity: (a) 100 mL of 0.30M HNO2 - 0.30 M NaNO2 or (b) 100 mL of 0.10 M HNO2 - 0.10 M NaNO2?

Question

Chemistry

Carmen Park

28 March, 10:59

Which of the following solutions has the greater buffer capacity: (a) 100 mL of 0.30M HNO2 - 0.30 M NaNO2 or (b) 100 mL of 0.10 M HNO2 - 0.10 M NaNO2?

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Answers (1)

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Audrina · Answer 1

100mL of 0.10M HNO2 and 0.10M NaNO2

Explanation:

because solution has the greatest buffering capacity when the concentration of the weak acid is = at the concentration of its conjugate base.