What Mass of Sodium Acetate Should Be Dissolved in 250

question 26

Multiple Choice

What mass of sodium acetate should be dissolved in 250.0 mL of 0.30 M acetic acid to form a buffer of pH 5.0? [Ka for acetic acid is 1.8 × 10^-5]

• A) 11 g
• B) 8.0 g
• C) 7.5 g
• D) 5.0 g
• E) 1.4 g

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