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Chemical equation of reaction of carbon dioxide
CaCO3+2HCl→CaCl2+H2O+CO2↑(double decomposition) phenomenon: white solid dissolves, at the same time a large number of bubbles are produced.Related knowledge: Calcium carbonate is a white insoluble solid, and can be dissolved in hydrochloric acid by using its characteristics.
CaCO3+2HCl→CaCl2+H2O+CO2↑(double decomposition) phenomenon: white solid is dissolved, and a large number of bubbles are produced.
What is the chemical equation for the reaction of chlorine and water? What is the molecular ion in the new chlorinated water that can produce hydrogen by reacting with magnesium? What is the equation?
Cl2+H2O=HClO+HCl
Molecular:H2O,HClO,Cl2.
Ions: Cl-, ClO-, OH-, H+
It's the ClO- that can play a vagrancy role,
H+ can react with magnesium to produce hydrogen
Cl2+H2O=HClO+HCl
Molecular:H2O,HClO,Cl2.
Ions: Cl-, ClO-, OH-, H+
It's the ClO- that's working.
H+ can react with magnesium to produce hydrogen
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- 14. Why does the positive electrode produce oxygen and the negative electrode produce oxygen and the negative electrode hydrogen? The answers are very different ~
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