In a solution, the solute is dissolved by the solvent.
You could use 80 percent acetone in water as a blank or reference by preparing a solution of 80 percent acetone in water without the analyte of interest. This would account for any interference or signal contribution from the solvent mixture. It is important to use the same solvent composition in the blank/reference as in the sample to ensure accurate measurements and account for any solvent effects on the analytical signal.
The blank titration is used to determine the exact amount of acid needed to neutralize any impurities in the titration setup, such as the indicator and solvent. This additional volume of acid is accounted for in the blank titration and is subtracted from the volume of acid used in the titration with the oil sample.
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We call a liquid in which substances dissolve a solvent.
the solvent
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