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Topic: stoichiometry question!  (Read 3525 times)

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Offline eyc3

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stoichiometry question!
« on: December 10, 2007, 09:47:11 PM »
I keep getting the wrong answer for this question... I think I'm missing a step or two. Help please?  ???

Suppose the reaction Ca3(PO4)2 + 3H2SO4 ---> 3CASO4 + 2H3PO4 is carried out starting with 103g of Ca3(PO4)2 and 75g pf H2SO4. How much phosphoric acid will be produced?
a) 74.9g
b.) 50g
c.) 32.5g
d.)32.5g
e.) 97.6g
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Offline enahs

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Re: stoichiometry question!
« Reply #1 on: December 10, 2007, 09:51:57 PM »
How many mols of each do you have? Which one is the limiting reactant? Based on which one is the limiting reactant, how much can be produced?
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