189 mL of formic acid to enough water to make the final volume of the solution equal to 755 mL will give you a 25.0% v/v formic acid solution.
What is formic acid?
Formic acid is the simplest carboxylic acid, containing a single carbon.
The solution's volume by volume per cent concentration,v/v %, tells you the number of millilitres of solute present for very 100 mL of solution.
Your target solution must be 25% v/v Formic acid, which means that it must contain 25.0 mL of formic acid, the solute, for every 100 mL of solution.
You can use the solution's percent concentration as a conversion factor to calculate the volume of formic acid that must be present in 755 mL
of solution in order to have a 25% v/v solution.
[tex]\frac{755 mL \;X \;25.0 mL }{100 mL}[/tex]
=189 mL
Hence, 189 mL of formic acid to enough water to make the final volume of the solution equal to 755 mL will give you a 25.0% v/v formic acid solution.
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