5:07 minutes
Problem 115a
Textbook Question

The YBa2Cu3O7 superconductor can be synthesized by the sol–gel method from a stoichiometric mixture of metal ethoxides followed by heating in oxygen. How many grams of Y1OCH2CH323 and how many grams of Ba1OCH2CH322 are required to react with 75.4 g of Cu1OCH2CH322 and an excess of water? Assuming a 100% yield, how many grams of YBa2Cu3O7 are obtained?

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