MCQ
You are given $500\, mL$ of $2\,N\, HCl$ and $500\, mL$ of $5\,N\, HCl$. What will be the maximum volume of $3\, M\, HCl$ that you can make from these two sotutions ? .............. $\mathrm{mL}$
  • A
    $250$
  • $750$
  • C
    $500$
  • D
    $1000$

Answer

Correct option: B.
$750$
b
$3=\frac{500 \times 2+5 \times v}{500+v}$

$v=250$

maximum volume $=500+250=750\, \mathrm{ml}$

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