If 50 mL of 0.5 M oxalic acid is required to neutralise 25 mL of NaOH solution, the amount of NaOH in 50 mL of given NaOH solution is g.

Question

If 50 mL of 0.5 M oxalic acid is required to neutralise 25 mL of NaOH solution, the amount of NaOH in 50 mL of given NaOH solution is  g.

Canvas Classes · Accepted Answer

Step 1 — Reaction:

Step 2 — Moles of oxalic acid:

Step 3 — Moles of NaOH in 25 mL (ratio 1:2):

Step 4 — Molarity of NaOH:

Step 5 — Moles of NaOH in 50 mL:

Step 6 — Mass:

Answer: 4 g

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