Решить по этому принципу (образец): NaCl + AgNO3 = NaNo3 + AgCl↓
Na + Cl + Ag + NO3 = Na + NO3 + AgCl↓
Ag + Cl = AgCl↓

1. BaCl2 + Na2SO4 →
2. Fe(NO3)3 + NaOH →
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