nH2SO4 = \(\frac{200.17,6\%}{98}=\frac{88}{245}\left(mol\right)\) = nH2 = nSO42-
VB = \(\frac{88}{245}.22,4\approx8,046\left(l\right)\)
mMuối = 11,6 + \(\frac{88}{245}.96\approx46,082\left(g\right)\)
Sửa đề : 19.6%
mH2SO4 = 39.2 g
nH2SO4 = 0.4 mol
=> nH2 = nH2SO4 = 0.4 mol
VH2 = 8.96 (l)
mSO4 = 0.4*96=38.4 g
mM = mKl + mSO4 = 11.6 + 38.4 = 50 g