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Topic: CaCl2  (Read 2947 times)

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Offline stevieG22

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CaCl2
« on: April 02, 2011, 02:21:31 AM »
how many molecules of NH3 are there in CaCl2.xNH3 i.e what is x  ?

is it variable ? if yes, then what should i write the ans if i get a similar question in my exam asking value of x  ?  :-\
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Offline Borek

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Re: CaCl2
« Reply #1 on: April 02, 2011, 05:13:15 AM »
Without more data question doesn't make sense (unless they check your memory and you were given this information during the course; that's unlikely). I would expect it to be a part of a question and you are expected to calculate x from a given data.
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