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which of the following best represents the reaction between sulfuric acid and calcium hydroxide?

source : studyrankersonline.com

which of the following best represents the reaction between sulfuric acid and calcium hydroxide?

g. H₂SO₄ + Ca(OH)₂ → CaSO₄ + 2H₂O.

Explanation:

Sulfuric acid is represented as H₂SO₄ and calcium hydroxide is represented as Ca(OH)₂.

To balance a chemical reaction. we should apply the law of conservation of mass that the no. of different atoms in both sides (reactants and products).

The only choice that represent the reactants correctly and apply the law of conversation of mass is:

g. H₂SO₄ + Ca(OH)₂ → CaSO₄ + 2H₂O.

f. H₂SO₄ + 2Ca(OH)₂ → 2CaSO₄ + 3H₂O

is not correct that the no. of S, and O is not equal in both reaction sides.

S in reactants (1) while in products (2).

O in reactants (8) while in products (11).

h. HSO₄ + CaOH → CaSO₄ + H₂O

The reactants is represented in a wrong way.

j. H₂SO₄+ Ca(OH)₂ → CaSO₄ + H₂O

is not correct that the no. of H and O is not equal in both reaction sides.

H in reactants (4) while in products (2).

O in reactants (6) while in products (5).

So, the right choice is: g. H₂SO₄ + Ca(OH)₂ → CaSO₄ + 2H₂O.

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