h2so4+bao=baso4+h2o
h2so4+2naoh=na2so4+2h2o
h2so4+na2o=na2so4+h2o
bao+co2=baco3
2naoh+co2=na2co3+h2o
co2+na2o=na2co3
W (s)=80×200÷100=160
160------x
S+O2=SO2
32--------22.4
X=160×22.4÷32=112л
dududjehrhfuucufjrjrjrjfjfifieiwhdbdh