For the titration of a 10 mL (aq) solution of CaCO₃, 2 mL of 0.001 M Na₂EDTA is required to reach the end… · ABC26PH0261

Subject: Physical Chemistry · Chapter: Analytical Chemistry · Topic: Analytical – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium

For the titration of a 10 mL (aq) solution of $\mathrm{CaCO_3}$, 2 mL of 0.001 M $\mathrm{Na_2EDTA}$ is required to reach the end point. The concentration of $\mathrm{CaCO_3}$ (assume molecular weight of $\mathrm{CaCO_3}$ = 100) is
(a)$5 \times 10^{-4}$ g/mL
(b)$2 \times 10^{-4}$ g/mL
(c)$5 \times 10^{-5}$ g/mL
(d)$2 \times 10^{-5}$ g/mL
Answer
Answer (as printed): D
Explanation
No explanation was printed for this question.

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