Mr(Ba(OH)2) = 137+2*16+2*1 = 171
W(Ba) = 137/171 = 0.80=80%
W(O) = 32/171 = 0.19=19%
W(H)=2/171=0.01=1%
Mr(Al(SO4)3) = 27+3*32+12*16 = 315
W(Al) = 27/315 = 0.09=9%
W(S) = 96/315=0.30=30%
W(O)= 192/315 = 0.61=61%
<span>C</span>⁺⁴<span>O</span>⁻²<span>2, Ca</span>⁺²<span>Br</span>⁻<span>2, N</span>⁰<span>2, K</span>⁺<span>3P</span>⁺⁵<span>O</span>⁻²<span>4, O</span>⁺²<span>F</span>⁻<span>2</span>
Msoli1=350·0.12=42g
msoli2=410·0.28=114.8g
mr-ra3=350+410=760g
msoli3=42+114.8=156.8g
w=156.8/760·100%=20.63%
S + Zn = ZnS
2ZnS + 3O2 = 2ZnO + 2SO2
SO2 + H2O = H2SO3
H2SO3 + 2KOH = K2SO3 + 2H2O