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When treating a mixture of metals (copper and zinc) with an excess of a solution of hydrochloric acid, 2.24 liters of a gas (STP) were released. When the same mixture was treated with phosphoric acid, a precipitate of 93.5 g is formed. Find the mass fractions of metals in the initial mixture.

When treating a mixture of metals (copper and zinc) with an excess of a solution of hydrochloric acid, 2.24 liters of a gas (STP) were released. When the same mixture was treated with phosphoric acid, a precipitate of 93.5 g is formed. Find the mass fractions of metals in the initial mixture.

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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When treating a mixture of metals( copper and zinc) with an excess of solution of hydrochloric acid, 2.24 liters of a gas(STP) were released. 

 When the same mixture was treated with phosphoric acid precipitate of 93.5g is formed. 

 Find the mass fraction of metals in the initial mixture.

When treating a mixture of metals (copper and zinc) with an excess of a solution of hydrochloric acid, 2.24 liters of a gas (STP) were released. When the same mixture was treated with phosphoric acid, a precipitate of 93.5 g is formed. Find the mass fractions of metals in the initial mixture. В I = = ১ i-
Transcribed Image Text:When treating a mixture of metals (copper and zinc) with an excess of a solution of hydrochloric acid, 2.24 liters of a gas (STP) were released. When the same mixture was treated with phosphoric acid, a precipitate of 93.5 g is formed. Find the mass fractions of metals in the initial mixture. В I = = ১ i-
Expert Solution
Step 1

Given: A mixture of copper and zinc metal is taken.

On reaction of mixture with HCl, 2.24 L of gas is released at STP.

And on reaction of mixture with phosphoric acid, 93.5 g of precipitate is formed.

 

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