g A solution of permanganate is standardized by titration with oxalic acid, . To react completely with mol of oxalic acid required 22.69 mL of permanganate solution. The unbalanced chemical equation for the reaction in acidic solution is

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A solution of permanganate is standardized by titration with oxalic acid. To react completely with 0.0018 mol of oxalic acid required 22.69 mL of permanganate solution. The unbalanced chemical equation for the reaction in acidic solution is:

Determine the concentration of the permanganate solution in molarity.

The molarity of permanganate solution is 0.0317 M

Explanation:

The balanced chemical equation follows:

Given values:

Moles of oxalic acid = 0.0018 moles  

By the stoichiometry of the reaction:

If 5 moles of oxalic acid reacts with 2 moles of permanganate solution

So, 0.0018 moles of oxalic acid will react with = of permanganate solution

The formula used to calculate molarity:

.....(1)

Given values:

Moles of permanganate solution = 0.00072 moles

Volume of solution = 22.69 mL

Putting values in equation 1, we get:

Hence, the molarity of permanganate solution is 0.0317 M