V1/T1 = V2/T2
V2 = V1*T2/T1 = 273*(273+17)/(273+15) =274.9 мл
2K₃PO₄ + 3ZnCl₂ = Zn₃(PO₄)₂↓ + 6KCl
6K⁺ + 2PO₄³⁻ + 3Zn²⁺ + 6Cl⁻ = Zn₃(PO₄)₂↓ + 6K⁺ + 6Cl⁻
2PO₄³⁻ + 3Zn²⁺ = Zn₃(PO₄)₂↓
3HBr + Al(OH)₃ = AlBr₃ + 3H₂O
3H⁺ + 3Br⁻ + Al(OH)₃ = Al³⁺ + 3Br⁻ + 3H₂O
3H⁺ + Al(OH)₃ = Al³⁺ + 3H₂O
<span>CO, CO2, N2O3, CaSO4, P2O5, P4O6, Mn2O7
1атом 2 3 4 5 6 7 атом</span>