Ułóż równania reakcji: K2O+HNO3 ---> MgO+H3PO4---> CaO+HNO2---> SnO2+HCl---.
K2O + HNO3 = KNO3 + H2O
3MgO + 2H3PO4 = Mg3(PO4)2 + 3H2O
CaO + 2HNO2 = Ca(NO3)2 + H2O
SnO2 + HCl = SnCl4 + 2 H2O
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K2O + HNO3 = KNO3 + H2O
3MgO + 2H3PO4 = Mg3(PO4)2 + 3H2O
CaO + 2HNO2 = Ca(NO3)2 + H2O
SnO2 + HCl = SnCl4 + 2 H2O