nH2SO4=2/98=1/49 (mol)
\(S\rightarrow SO_2\rightarrow SO_3\rightarrow H_2SO_4\)
\(\frac{1}{49}\) \(\frac{1}{49}\)
mS=\(\frac{1}{49}.32=\frac{32}{49}\)
m S (thực có) = \(\frac{32}{49}.\frac{100}{80}=\frac{40}{49}\)
mquặng S=\(\frac{40}{49}.\frac{100}{60}=1,36\left(tấn\right)\)