Consider titration of NaOH solution


Consider titration of $\mathrm{NaOH}$ solution versus $1.25 \mathrm{M}$ oxalic acid solution. At the end point following burette readings were obtained.

(i) $4.5 \mathrm{~mL}$

(ii) $4.5 \mathrm{~mL}$

(iii) $4.4 \mathrm{~mL}$

(iv) $4.4 \mathrm{~mL}$

(v) $4.4 \mathrm{~mL}$

If the volume of oxalic acid taken was $10.0 \mathrm{~mL}$ then the molarity of the $\mathrm{NaOH}$ solution is________

M. (Rounded-off to the nearest integer)


$\mathrm{V}_{\mathrm{NaOH}}=4.4 \mathrm{ml}$

eq. of $\mathrm{NaOH}=$ eq. of $\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4}$

or, $\mathrm{M} \times 4.4 \times 1=1.25 \times 10 \times 2$

or, $\mathrm{M}=5.68 \mathrm{M}$

$\therefore$ Nearest integer answer is 6

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