Which of the following could be added to 1.00 L of a 150 mM solution of dibasic sodium phosphate (Na2HPO4) to create a buffer? Select all that apply. 1.0 mL of 1.0 M Na3PO4(aq) Correct Answer 150 mmol Na3PO4(s) 1.0 mL of 1.0 M NaH2PO4(aq) Correct! 75 mL of 1.0 M NaOH(aq) 1.0 mmol Na3PO4(s) Correct! 75 mL of 1.0 M HCl(aq)

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.