<span>P
4P+5O2=2P2O5
</span><span>P2O5 + 6KOH = 2K3PO4 + 3H2O </span>
CH3COOH+C2H5OH=CH3COOC2H5+H2O m(CH3COOH)=120X70/100=84g n=84/60=1.4mol
m(C2H5OH)=96X80.5X0.78/100=60.2784g n=60.27/46=1.3104mol
1.304x75/100=0.9828mol
m(CH3COOC2H5)=0.9828X88=86.48g
2 НCl + CuO = CuCl2 + H2O
2 H + 2 CL + Cu + O = Cu + 2Cl + H2O
2 H + O = H2O
Mr(<span>C12H22O11)=12*12+22*1+11*16=342
W(C)=144/342=0.4211=42.11%
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