Ethanol is used widely as a solvent in laboratories for various chemical reactions. A laboratory technician takes 50.0 mL of
ethanol and dilutes it to 100.0 mL with distilled water. What is the percentage concentration by volume of the resulting
solution?
Use vol% - volume of solute
volume of solution X 100
33.3%
50.0%
100%
200%
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Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

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