SO3 + H2O---> H2SO4
nSO3=200/80=2,5(mol)
Theo pt:
nSO3=nH2SO4=2,5(mol)
mH2SO4=98.2,5=245(g)
mdd H2SO4 17 % =1000.1,12=1120(g)
mH2SO4trong dd=1120.17/100=190,4(g)
=>C%
SO3 + H2O => H2SO4
nSO3 = m/M = 200/80 = 2.5 (mol)
Theo phương trình: mH2SO4 = n.M = 98x2.5 = 245g
V = 1l=1000 ml, D =1.12g/ml
mddH2SO4 17% = D.V = 1000x1.12 = 1120g
mH2SO4 = 1120x17/100 = 190.4 (g)
C% = (190.4+245)x100/1365 = 31.9%
SO3 + H2O = H2SO4
(32+3*16)= 80........(2+32+4*16)=98
200g.......................x(g)
x= (200 * 98) / 80 = 245g
khoi luong dd H2SO4 truoc phan ung la: m = d * v = 1.12 * 1000 = 1120g
khoi luong H2SO4 truoc pu la: m = (1120 * 17) / 100 = 190.4g
khoi luong H2SO4 sau pu la: m = 190.4 + 245 = 435.4g
khoi luong dd H2SO4 sau pu la: m = 1120 + 200 = 1320g
C% cua dd thu duoc la: C%= ( 435.4 / 1320) *100 = 32.985%