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Topic: chemistry help (freezing and boiling points)  (Read 3148 times)

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Offline 060108

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chemistry help (freezing and boiling points)
« on: April 14, 2009, 12:57:48 PM »
A rocksalt (NaCl), ice , and water mixture is used to cool milk and cream to make homemade ice cream. how many grams of rocksalt must be added to water to lower the freezing point 10.0 degrees celcius?

i cannot find out how i am supposed to figure out the grams when i need mol to figure it out and in order to get mol i need grams  ???
« Last Edit: April 14, 2009, 02:26:07 PM by Borek »

Offline Borek

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Re: chemistry help (freezing and boiling points)
« Reply #1 on: April 14, 2009, 02:26:45 PM »
What is dependence between mass, molar mass and number of moles?
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