AP EAMCET · Chemistry · Some Basic Concepts of Chemistry
The volume of \(0.1 \mathrm{M} \mathrm{HCl}\) required in \(\mathrm{mL}\) to neutralise \(20 \mathrm{~mL}\) of a solution containing \(0.106 \mathrm{~g}\) of \(\mathrm{Na}_2 \mathrm{CO}_3\) is
- A 10
- B 5
- C 20
- D 40
Answer & Solution
Correct Answer
(C) 20
Step-by-step Solution
Detailed explanation
Given, Molarity \((\mathrm{HCl})\left[M_1\right]=0.1 \mathrm{M}\) Volume of \(\mathrm{Na}_2 \mathrm{CO}_3\) used \(=20 \mathrm{~mL}\) Mass of \(\mathrm{Na}_2 \mathrm{CO}_3\) used \(=0.106 \mathrm{~g}\) thus, molarity \(\left(M_2\right)\) of…
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