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1. Some basic concept of chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry1. Some basic concept of chemistry1 Mark
MCQ
What is the concentration of nitrate ions if equal volumes of $0.1\, M$ $AgN{O_3}$ and $0.1\, M $ $NaCl$ are mixed together
  • A
    $0.1\, N$
  • B
    $0.2\, M$
  • ✓
    $0.05\, M$
  • D
    $0.25\, M$
✓

Answer

Correct option: C.
$0.05\, M$
c
(c) $0.1\, M$ $AgN{O_3}$ will react with $0.1\, M$ $NaCl $ to form $0.1\, M$ $NaN{O_3}$.

But as the volume is doubled, conc. of $NO_3^ - = \frac{{0.1}}{2} = 0.05\,M$

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