Posted by kyled on Tuesday, February 12, 2008 at 2:13pm.
The balanced reaction is
CaCO3 + 2 NaF -> CaF2 + Na2CO3
If you start with 20.0 grams CaCO3, how many moles of CaCO3 do you have?
If you start with .500 moles of NaF, how many moles of CaF2 will form
What is the sum of the coefficients (including “1”) of the following reaction?
Sodium sulfate + calcium hydroxide ???
Predict the precipitate that forms: HCl + AgNO 3 ???
no precipitate forms
chemistry - DrBob222, Tuesday, February 12, 2008 at 2:23pm
DrWLS answered this for you below, for the first one. We want to see some work for the others. If you can't get started, repost one question at a time, and tell us exactly what you don't understand.
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