\(P_2O_5+6KOH\rightarrow2K_3PO_4+3H_2O\)
\(2Fe\left(OH\right)_x+xH_2SO_4\rightarrow Fe\left(SO_4\right)_x+2xH_2O\)
Câu này mới đúng nè
\(2Fe\left(OH\right)_x+2H_2SO_4-->\dfrac{2}{x}Fe\left(SO_4\right)_x+\left(x+2\right)H_2O\)
1) P2O5 + 6KOH ---->2 K3PO4 + 3H2O
2) 2Fe(OH)x + 2H2SO4 ----> \(\dfrac{2}{x}\)Fe(SO4)x +(x+2) H2O