Объяснение:
n(H2SO4) =180/98=1.84моль
Mr(Ca(OH)2)=74
m(Ca(OH)2)=74*1.84=136.16г
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Объяснение:
n(H2SO4) =180/98=1.84моль
Mr(Ca(OH)2)=74
m(Ca(OH)2)=74*1.84=136.16г