# Write the balanced molecular equation for the reaction of barium hydroxide with perchloric acid. What is the coefficient of H2O?​

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## Question:

Write the balanced molecular equation for the reaction of barium hydroxide with perchloric acid. What is the coefficient of H2O?​

Ba(OH)2 + 2HClO4 —> Ba(ClO4)2 + 2H2O

The coefficient of H2O is 2

Explanation:

Ba(OH)2 + HClO4 —> Ba(ClO4)2 + H2O

Now let us balance the equation as shown below:

There are 2 atoms of Cl on the right and 1 atom on the left. It can be balanced by putting 2 in front of HClO4 as shown below:

Ba(OH)2 + 2HClO4 —> Ba(ClO4)2 + H2O

Now, there are a total of 4 atoms of H on the left and 2 on the right. It is balanced by putting 2 in front of H2O as shown below

Now, the equation is balanced. From the balanced equation, the coefficient of H2O is 2

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