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Old 05-11-2007, 11:39 AM   #11
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What threw me for a loop in the original equation was the CaC2! It was obviously supposed to be CaCl2.

Yeah, don't be too hard on your science teacher. The workbooks that they use to plan classes are usually loaded with mistakes - it's frustrating for the teachers and the students.
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Old 05-11-2007, 11:51 AM   #12
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I just read this thread and the first thing I thought was that it was supposed to be CaCl2, I don't think CaC2 would be a stable compound and the answer requiring a salt implies that there was some ionic molecule in there.

Nice catch QTOFFER! WaterPond, you'll look like a chemistry whiz in class now!
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