The unknown acid H₂X can be neutralized completely by NaOH according to the following equation: H₂X(aq) + NaOH(aq) → Na₂X + H₂O
To completely neutralize this reaction,250 mL of 0.13 M NaOH were needed.How many moles of H₂X were present?

Question

Quizplus · Accepted Answer

To completely neutralize the reaction, the number of moles of NaOH used must be equal to the number of moles of H₂X present. The number of moles of NaOH used can be calculated using the formula: moles of NaOH = concentration of NaOH × volume of NaOH used. Substituting the given values into the formula, we get: moles of NaOH = 0.13 M × 0.250 L = 0.0325 moles. Therefore, the number of moles of H₂X present is also 0.0325 moles.

The Unknown Acid H2X Can Be Neutralized Completely by NaOH

The Unknown Acid H₂X Can Be Neutralized Completely by NaOH