Đáp án:
27,71 ml
Giải thích các bước giải:
\(\begin{array}{l}
{m_{{\rm{dd}}\,{H_2}S{O_4}\,5\% }} = 1000 \times 1 = 1000g\\
{m_{{H_2}S{O_4}}} = 1000 \times 5\% = 50g\\
{m_{{\rm{dd}}{H_2}S{O_4}\,98\% }} = \dfrac{{50}}{{98\% }} \approx 51g\\
{V_{{\rm{dd}}{H_2}S{O_4}\,98\% }} = \dfrac{{51}}{{1,84}} \approx 27,71\,ml
\end{array}\)