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April 18, 2015

Homework Help: Last Question Plz helppp:((im soo sleepy!!:(

Posted by Nikki on Wednesday, December 19, 2012 at 10:51pm.

1)The reaction between solid sodium and iron(III) oxide, Fe2O3(s), is one in a series of reactions that occurs when an automobile air bag inflates.
6Na(s) + Fe2O3(s) -> 3Na2o(s) + 2Fe(s)
If 100.0 g of iron(III) oxide are used in this reaction, what mass of solid iron will be produced?

2)Sliver nitrate , AgNO3(aq), reacts with calcium chloride, CaCl2(aq), in the following reaction:
2AgNO3(aq) + CaCl2(aq) -> 2AgCl(s) + Ca(NO3)2(aq)
There are 7.000 mol of each reactant present.
a.What is the mass of the excess reactant?
b.What is the mass of the limiting reactant?
c.What are the masses of each product that forms?

Show all your steps please!!:)

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