PT: \(H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O\)
____0,25______0,5 (mol)
\(\Rightarrow m_{H_2SO_4}=0,25.98=24,5\left(g\right)\)
\(\Rightarrow m_{ddH_2SO_4}=\dfrac{24,5}{20\%}=122,5\left(g\right)\)
\(\Rightarrow V_{ddH_2SO_4}=\dfrac{122,5}{1,14}\approx107,5\left(ml\right)\)
Bạn tham khảo nhé!