1.n(CuSO4)=0.053L*0,605 М=0.0321moles
n(CuSO4)=n(Cu(OH)2)=0.0321moles
m(Cu(OH)2)=97,56(g/mol)*0.0321moles=3.132g
2.n(CaCO3)=8.59g/100(g/mol)=0.0859moles
n(HBr)=0.0859moles*2=0.1718moles
V(HBr)=0.1718moles*0.712M=0.1223L=122.3mL
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