Five 5 problems you must show your work to receive

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FIVE (5) PROBLEMS (You MUST show your work to receive credit (10) 1. Consider the reaction, P 4 O 10 + 6 H 2 O 4 H 3 PO 4 . The percent yield for this reaction is 35%. Calculate the number of grams of P 4 O 10 that are required to react with an excess of H 2 O to produce 500 grams of H 3 PO 4 .
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Version A (12) 2. When aluminum nitrate, Al(NO 3 ) 3 (aq), reacts with sodium carbonate, Na 2 CO 3 (aq) in solution, solid aluminum carbonate, Al 2 (CO 3 ) 3 (s), precipitates from solution. When 500 mL of 0.40 M Al(NO 3 ) 3 (aq)is mixed with 800 mL of 0.30 M Na 2 CO 3 (aq), then, at the completion of the reaction, calculate: (6) (a) the number of grams of Al 2 (CO 3 ) 3 (s)) which will be produced. (6) (b) which reactant, Al(NO 3 ) 3 (aq) or Na 2 CO 3 (aq), is in excess (and remains in solution), and what will be it’s Molar concentration at the conclusion of the reaction.
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