Reakcje zachodzą: 1, 3, 4, 5
1. 6 K+2 H3PO4--->2 K3PO4+3 H2
3. CaCl2+H2CO3--->CaCO3+2 HCl
4. 3 NaOH+H3PO4--->Na3PO4+3 H2O
5. Na2SO4--H2O-->2 Na+ +SO4 2-
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Reakcje zachodzą: 1, 3, 4, 5
1. 6 K+2 H3PO4--->2 K3PO4+3 H2
3. CaCl2+H2CO3--->CaCO3+2 HCl
4. 3 NaOH+H3PO4--->Na3PO4+3 H2O
5. Na2SO4--H2O-->2 Na+ +SO4 2-