What is the mass of the precipitate formed when 50 mL of 16.9 % solution of A g N O 3 is mixed with 50 mL of…

1. 28 g
2. 3.5 g
3. 7 g
4. 14 g

Solution

$16.9\mathrm{ }\mathrm{g}\mathrm{ }\mathrm{A}\mathrm{g}\mathrm{N}{\mathrm{O}}_3$ is present in 100 mL solution.
$\therefore 8.45\mathrm{ }\mathrm{g}\mathrm{ }\mathrm{A}\mathrm{g}\mathrm{N}{\mathrm{o}}_3$ is present in 50 mL solution
5.8 g NaCl is present in 100 mL solution
$\therefore 2.9\mathrm{ }\mathrm{g}\mathrm{ }\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}$ is present in 50 mL solution

Mass of AgCl
$=0.049\times 143.5\mathrm{ }\mathrm{g}$
$=7\mathrm{ }\mathrm{g}\mathrm{ }\mathrm{A}\mathrm{g}\mathrm{C}\mathrm{l}$

Asked in: NEET 2015 (Phase 2)

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