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Industrially, Vanadium metal which is used in steel alloys can be obtained by reacting V2O5...

Industrially, Vanadium metal which is used in steel alloys can be obtained by reacting V2O5 with Ca at high temperature.
5Ca + V2O5 ---> 5 CaO + 2V
In one process, 1.54 x 10³ g of V2O5 reacts with 1.96 x 10³ g of Ca.
a. Calculate the theoretical yield of Vanadium.
b. Calculate the percentage yield if 803 g of V are obtained.?

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