Chemistry problem? how can i solve it?

Posted on 2014-12-22 12:46:00 in Chemistry by LIBBY

d. Consider the reaction that is given by the following balanced equation:

4 NH3 + 5 O2 ? 4 NO + 6 H2O

(i) Suppose that equal masses, 750g, of each of the NH3 and O2 are mixed in a
reaction vessel. From the stoichiometric ratios, determine which of the two
reactants is the limiting reactant.

(ii) From your findings in part (i) above, determine how many moles of NO gas
could, theoretically, be produced when 750g of both NH3 and O2 are reacted
together.

(iii) If the number of grams of NO that is actually produced has a mass of 449g,
what is the overall percentage yield of the reaction?

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