posted by PLEASE HELP! on .
ETHANOL (C2H5OH) HAS A DENSITY OF 0.80g/ml. IF A 10%(v/v) MIXTURE OF ETHANOL IN WATER WAS PREPARED HOW MANY GRAMS OF ETHANOL WOULD BE IN 100ML OF THE MIXTURE? (ASSUMING MIXED VOLUME IS THE SUM OF THE PARTIAL VOLUME)
PLEASE don't post in caps. All caps makes the post difficult to read.
10% v/v means 10 mL ethanol/100 mL soln.
So 10 mL = how many grams? mass = volume x density