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OpenStudy (anonymous):
What is the mole fraction of KCl in a 0.20 molal solution of KCl? (molar mass of KCl = 75 g; molar mass of water = 18 g)
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OpenStudy (anonymous):
mole fraction is like asking what is the % KCl in the solution 0.2m KCl = 0.2moles KCl in 1000g H2O 0.2moles KCl and 1000g/18g/mole = 55.56moles H2O mole fraction KCl = 0.2moles / (55.56moles water + 0.2moles KCl) = 0.0036
OpenStudy (anonymous):
Connections?
OpenStudy (anonymous):
I basically read that explanation and understood nothing... oml and what do you mean by connections?
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