Be sure to answer all parts. Industrially, vanadium metal, which is used in steel alloys, can be obtained by reacting vanadium(V) oxide with calcium at high temperatures: 5Ca + V,0s 5Cao + 2V In one process, 1.540 × 10° g of V½Oş react with 2.080 x 10° g Ca. (a) Calculate the theoretical yield of V. (b) Calculate the percent yield if 785.0 g of V are obtained. % Report your answers to the correct number of significant figures.

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