Vs.NaOH = 84,6 mL = 0,0846 L
Cm.NaOH = 2 mol/L
stim ca Cm = niu/Vs
=> niu = CmxVs
= 0,0846x2 = 0,1692 moli NaOH
0,1692 moli md g
2NaOH + H2SO4 --> Na2SO4 + 2H2O
2 98
=> md = 0,1692x98/2 = 8,291 g H2SO4
Vs.H2SO4 = 5 mL
ro.H2SO4 = 1,8 g/mL
stim ca ro = ms/Vs
=> ms = roxVs = 1,8x5 = 9 g sol. H2SO4
stim ca c% = mdx100/ms
= 8,291x100/9 = 92,12%
