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Industrially, vanadium metal, which is used in steel alloys, can be obtained by reacting vanadium(V) oxide with calcium at high temperatures: 5Ca+ V2O5 ----> 5CaO + 2V In one process, 1.54 x 10^3 g of V2O5 react with 2.07 x 10^3 g Ca. Calculate the theoretical yield of V. Calculate the percent yield if 795 g V are obtained

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