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Balance the f...

Question

Balance the following chemical equation

Calcium hydroxide + carbon dioxide -calcium carbonate + water

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Solution

Step 1: Write the chemical reaction into equation
$C a (O H)_{2} + C O_{2} ⟶ C a C O_{3} + H_{2} O$
Step 2: The total number of atoms of each element on the reactant side and the product side must be compared.
Elements Reactant side Product side
Ca 1 1
O 4 4
H 2 2
C 1 1

Hence the reaction is balanced.

Balanced chemical equation is : $C a (O H)_{2} + C O_{2} ⟶ C a C O_{3} + H_{2} O$

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