An alloy of aluminum and magnesium was treated with sodium hydroxide solution, in which only aluminum reacts.

Question:

2Al(s) + 2NAOH(aq) + 6H,O(1) –→ 2NaAl(OH),(aq) + 3H2(g)

If a sample of alloy weighing 1.225 g gave 0.1093 g of hydrogen, what is the percentage of aluminum in the alloy?

4.158 An alloy of iron and carbon was treated with sulfuric acid, in which only iron reacts.

If a sample of alloy weighing 2.358 g gave 0.1067 g of hydrogen, what is the percentage of iron in the alloy?

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General Chemistry

ISBN: 9781305580343

11th Edition

Authors: Darrell Ebbing, Steven D. Gammon

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Question Posted: Nov 05, 2020 06:03 AM

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An alloy of aluminum and magnesium was treated with sodium hydroxide solution, in which only aluminum reacts.

Question:

2Al(s) + 2NAOH(aq) + 6H,O(1) –→ 2NaAl(OH),(aq) + 3H2(g)

Step by Step Answer:

Convert the 01068 g of hydrogen to moles of H 2 then deduce from t...View the full answer

General Chemistry

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