Написать молекулярные уравнения: 1. Pb(2+) + CrO4(2-) = PbCrO4 ↓
2. HCO3(-) + OH(-) = CO3(2-) + H2O
3. ZnOH (+) + H+ = Zn(2+) + H2O
4. 2H(+) + SO3(2-) ⇒ ...
5. Cd(2+) + 2OH(-) ⇒ ...
6. Mg(2+)+CO3 (2-) ⇒ ...
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