Which statement is true for solution of $0.020 \mathrm{~M} \mathrm{~H}_{2} \mathrm{SO}_{4}$

Which statement is true for solution of $0.020 \mathrm{~M} \mathrm{~H}_{2} \mathrm{SO}_{4}$
  1. $2$ litre of the solution contains $0.020$ mole of $\mathrm{SO}_{4}^{2-}$
  2. $2$ litre of the solution contains $0.080$ mole of $\mathrm{H}_{3} \mathrm{O}^{+}$
  3. $1$ litre of the solution contains $0.020$ mole $\mathrm{H}_{3} \mathrm{O}^{+}$
  4. None of these

Solution

$\left[\mathrm{H}_{3} \mathrm{O}^{+}ight]=2 \times 0.02=0.04 \mathrm{M}$
$\therefore 2$ litre solution contains $0.08$ mole of $\mathrm{H}_{3} \mathrm{O}^{+}$ *

Asked in: JEE-TOPICTESTS-CHEMISTRY

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