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Chemistry 19 Online
OpenStudy (anonymous):

A salt is known to be an alkali metal fluoride. A quick approximate freezing point determination indicates that 4 g of salt dissolved in 100 g of water produces a solution which freezes at about -2.8 degrees celsius. What is the formula of the salt? (assume i=2)

OpenStudy (aaronq):

Use the freezing-point equation

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