What volume of ethanol must be diluted with water to prepare 768 mL of 0.873 M solution? The density of ethanol is given as 0.789 g/mL.

Answer in units of mL

1 answer

How many mols do you want? That's M x L = mols.
How many grams is that?
mols = grams/molar mass.

Then use mass = volume x densty and solve for volume .