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5.00 mL of 0.10 M oxalic acid solution t...

5.00 mL of 0.10 M oxalic acid solution taken in a conical flask is titrated against `NaOH` from a burette using phenolphthalein indicator. The volume of `NaOH` required for the appearance of permanent faint pink color is tabulated below for five experiments. What is the concentration, in molarity, of the `NaOH` solution?

Text Solution

Verified by Experts

The correct Answer is:
0.11
True data for `NaOH` used volume = 9 ml
Milli equivalent of `H_(2)C_(2)O_(4)=` Milli equivalent of `NaOH`
`5xx0.1xx2=9xx XM xx 1`
`X=(1)/(9)=0.11M`
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