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2Ca+O2=2CaO
CaO+H2O =Ca(OH)2
Ca(OH)2+2HCl = CaCl2 +2H2O
CaCl2=Ca+Cl2
Ca+H2CO3 =CaCO3+ H2
<em>2 (C17H33COO)3C3H5 + Br2 = 2 (C17H33COO)3C3H5Br</em>
M=100*0,(10/100)=10
m2в-ва=10+40=50
M2 р-ра=100+40+40=180
W2=m2/M2=50/180*100%=27,8%