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Формулы солей записаны только в ряду:

A. NaCl, H3PO4, BaSO4,

B. Ca(OH)Cl , CuSO4 , Na2O

C. Fe2(SO4)3, Cu(HCO3)2 , Zn(OH)Br

D. Mg(NO3)2 , Zn(OH)2 , H2S
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