Question

Balance the following chemical equations.

a) HNO3 +Ca(OH)2, = Ca(NO3)2 +H2O
b) NaOH + H2SO4 = Na2SO4 + H2O
c) NaCl + AgNO3 = AgCl + NaNO3
d) BaCl2 + H2SO4 - BaSO4 + HCI ​

Answer 1

Answer:

a) 2HNO3 + Ca (OH)2 = Ca(NO3)2 + H2O

b) 2NaOh + H2SO4 = NA2SO4 + H2O

c) Already balanced

d) BaCL2 + H2SO4 = BaSO4 + HCL

Explanation:

IN A BALANCE CHEMICAL REACTION THE MASS OF REACTANT AND PRODUCT ARE SAME

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Answer 2

★ Answer ★

Balancing chemical equations involves the addition of stoichiometric coefficients to the reactants and products. This is important because a chemical equation must obey the law of conservation of mass and the law of constant proportions, i.e. the same number of atoms of each element must exist on the reactant side and the product side of the equation.

1. 2HNO₃ + Ca(OH)₂ → Ca(NO₃)₂ + 2H₂O

2. 2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O

3. NaCl + AgNO₃ → AgCl + NaNO₃

(Already Balanced)

4. BaCl₂ + H₂SO₄ → BaSO₄ + 2HCl

Law of conservation of mass governs the balancing of a chemical equation. According to this law, mass can neither be created nor be destroyed in a chemical reaction and obeying this law total mass of the elements or molecules present on the reactant side should be equal to the total mass of elements or molecules present on the product side.

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