Consider titration of NaOH solution versus 1 . 25 M oxalic acid solution. At the end point following burette readings were obtained. (i) 4 . 5 mL (ii) 4 . 5 mL (iii) 4 . 4 mL (iv) 4 . 4 mL (v) 4 . 4 mL If the volume of oxalic acid taken was

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Consider titration of NaOH solution versus 1 . 25 M oxalic acid solution. At the end point following burette readings were obtained. (i) 4 . 5 mL (ii) 4 . 5 mL (iii) 4 . 4 mL (iv) 4 . 4 mL (v) 4 . 4 mL If the volume of oxalic acid taken was 10 . 0 mL then the molarity of the NaOH solution is ___ M . (Rounded-off to the nearest integer)

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Correct answer: 0

V NaOH = 4 . 4 &#160; ml eq. of NaOH = eq. of H 2 C 2 O 4 or, M &#215; 4 . 4 &#215; 1 = 1 . 25 &#215; 10 &#215; 2 or, M = 5 . 68 M &#8756; Nearest integer answer is 6 .

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