Допишите ур-я реакции и коэфиценты.
а)KOH + NO2=____
б)Ca(HCO3)2=CaCO3 +_____
в)   _____ + H3PO4 = (NH4)2HPO4
г)Zn(OH)2 + HCl= ___+_____
д)K2SO3+____+____=KHSO4
е)____+____=H2SiO3+NaCl
ж)____+____=MgSO4+H2
з)BaCl2+____=BaSO4+____

 

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