Molar Ratio Homework

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Balance the following equations and then answer the appropriate question.

1.
__ Li3P1O4 ==> __ Li + __ P + __ O2


If I react 3.45moles of Li solid,how many moles of O2 do I get using the balanced equation above.










2. __ H2 + __ O2 ==> ___ H2O1

How many moles of hydrogen gas (H2) do I need to react to obtain 2.10 moles of water (use the balanced equation from above)?









3. __KClO3 (s) ---> ___ KCl(s) + ___ O2 (g)

a. How many moles of KCl do I have if I have 23.5 grams of this solid?




b. Using the number of moles of KCl (from Part a), how many moles of KClO3 do I need to react to obtain that many moles of KCl.












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Edited January 26, 2007 12:19 pm (diff)
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