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August 2, 2015

Homework Help: chemistry

Posted by Anna King on Friday, February 3, 2012 at 4:25pm.

If exactly 100.0 grams of NaCl (molecular mass = 58.44 g/mol) are dissolved in 300 grams of water (molecular mass = 18.02 g/mol), the mole fraction of NaCl is

a) 1.71
b) 0.0932
c) 0.250
d) 0.103
e) 4.75

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