Which one of the following solutions will result in excess base when reacted with 25.0 mL of a 1.0 M phosphoric acid solution? Explain your answer and show your work.    a) 30.0 mL of 1.0 M Ca(OH)2 b) 75.0 mL of 1.0 M NaOH c) 25.0 mL of 3.0 M KOH d) 200.0 mL of 0.50 M NaOH e) All of these will result in excess base when added to 25.0 mL of a 1.0 M phosphoric acid solution.

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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.