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hey i need help

PostPosted: Wed Jan 07, 2009 6:37 am
by jdgpow
Assume you dissolve 43.5 g of camphor, C10H16O, in 515 mL of ethanol, C2H5OH. Calculate the molality, mole fraction, and weight percent of camphor in this solution. (The density of ethanol is 0.785 g/mL.)
molality
1 m
mole fraction
2
weight percent
3%
can any one help