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Problem- Calculate the volumes of weak acid and its conjugate base needed to make the pH buffer solution below. 500mL of pH buffer solution, pH=7.50, 0.50 Sodium bicarbonate. Premade stock solution 1.0M Carbonic Acid (H2CO3) 2.0 M Sodium bicarbonate (NaHCO3). Ka=4.37x10^-7 for carbonic acid
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