Balance the following equations.
a. Mg + H,SO → MgSO + H
b. CaCO, + HCl → CaCl, + H2O + CO
c. CaO + H2O + Ca(OH),
d. Ag + HNO, → AgNO, + HO + NO²
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According to the law of conservation of mass, when a chemical reaction occurs, the mass of the products should be equal to the mass of the reactants. Therefore, the amount of the atoms in each element does not change in the chemical reaction. As a result, the chemical equation that shows the chemical reaction needs to be balanced.
Step-by-step explanation:
a) HNO
3
+Ca(OH)
2
→Ca(NO
3
)
2
+H
2
O
(b) NaCl+AgNO
3
→AgCl+NaNO
3
(c) BaCl
2
+H
2
SO
4
→BaSO
4
+HCl
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