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jackolantern1437
05.03.2021 •
Chemistry
If ONE mole of rocket fuel, ammonium perchlorate, NH4ClO4, is allowed to react with excess Al so that all of the NH4ClO4 is consumed, how many molecules of water will be produced? (All reactants & products are present in a 1:1 ratio.)
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Ответ:
9.03×10²³ molecules of H₂O
Explanation:
To solve this, we need to propose the reaction
NH₄ClO₄ → ammonium perchlorate
Al → Aluminum
Those are the reactants; the reaction is:
6NH₄ClO₄ + 10Al → 5Al₂O₃ + 3N₂ + 6HCl + 9H₂O
Then, water is one of the products. If we see the reaction, is a redox type.
Ratio is 6:9. In conclussion:
6 moles of ammonium perchlorate can produce 9 moles of H₂O
Then 1 mol of salt, may produce (1 . 9)/6 = 1.5 moles of water
Let's count the molecules:
1.5 mol . 6.02×10²³ molecules /mol = 9.03×10²³ molecules of H₂O
Ответ: