Question

Q.5 Balance the following chemical equation...
(a)H2SO4 + NaOH - → Na2SO4 + H20
(b)Mg(OH)2 + H2504
(c) Ca(OH)2 + HCL
+ MgSo, & H₂O
CaCl₂ + H₂O​

Answer 1

Answer:

A. H2SO4+2NaOH--->Na2SO4+2H2O

B. Mg(OH)2+H2SO4---->MgSO4+2H2O

C. Ca(OH)2+H20--->CaO2+2H2O

Answer 2

H2SO4+2NaOH = Na2SO4+2H2O

Mg(OH)2+H2SO4 = MgSO4+2H2O

Ca(OH)2+2HCl = CaCl2+2H2O

Explanation:

• Balancing is one of the most important in writing the chemical reaction equations.

• It gives the idea of molar ratio of the reaction where the equation itself shows how many moles of the reactants react with each other to form how many moles of the product.

• It includes the stoichiometries of the compounds too.

• Here in the 1st reaction, we see sulphuric acid reacting with sodium hydroxide.

• H2SO4+2NaOH = Na2SO4+2H2O

• In the 2nd reaction, we see magnesium hydroxide reacting with sulphuric acid.

• Mg(OH)2+H2SO4 = MgSO4+2H2O

• In the 3rd reaction, we see calcium hydroxide reacting with hydrochloric acid.

• Ca(OH)2+2HCl = CaCl2+2H2O

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