3SnCl4 + 4Al(C2H5)3 --->  3Sn(C2H5)4 + 4AlCl3   A) In one experiment, 0.300 L of SnCl4 (d = 2.226 g/mL) was treated with 0.579 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C2H5)4)? B) If 0.352 L of tetraethylstannane (d = 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?

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