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Calculate the volume of the solution:
A solution contains 78 of mL hydrochloric acid in the water. If the volume by volume percentage of this solution is 21 \(\%\), then calculate the total volume of the solution.
Volume by volume percentage = / x \(100\).
21 = / Volume of solution x \(100\).
The volume of the solution \(=\) \(ml\).
[Note: Enter your answer in whole number]
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