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Anna [14]
3 years ago
5

aluminum nitrite and ammonium cloride react to form aluminium chloride. nitrogen and water. what mass of alluminum chloride is p

resent of 43g of ammonium nitrite have reacted completely
Chemistry
1 answer:
____ [38]3 years ago
7 0

Answer:

35.7 g of NH₄Cl

Explanation:

The reaction is:

Al(NO₂)₃ +  3NH₄Cl → AlCl₃ + 3N₂ + 6H₂O

Ratio is 3:1. 3 mol of ammoium chloride react to produce 1 mol of chloride

We convert the mass of ammoium chloride to moles:

43 g . 1 mol/ 53.45 g = 0.804 moles

(0.804 . 1) / 3 = 0.268 moles of AlCl₃ are formed

Let's convert the moles to mass → 0.268 mol . 133.33 g/1mol = 35.7 g

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Answer:

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Explanation:

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S - C ≡ N <--------> S = C = N

In the first structure, we have one single bond and one triple bond, in this case, the negative charge is located in the sulfur. This is because Sulfur have 6 electrons and those electrons are present in the atom, (see picture below), and counting the electron that is sharing with the Carbon, the total electrons that sulfur has is 7 (It has one more than usual). Carbon and nitrogen are already stable with 0 of formal charge, because carbon can only have 4 electrons which 1 is sharing with sulfur and the other 3 with the nitrogen, and nitrogen have 5 electrons, three sharing with carbon and the other two kept it for itself.

In the second structure, the negative charge of the sulfur is transfered to the nitrogen, meaning that it has 6 electrons the nitrogen (formal charge -1) and carbon and sulfur with 4 and 6 electrons respectively.

Between these two structures, the most stable is the first one basically because Sulfur is a better nucleophile than the Nitrogen, and can form stronger hydrogen bond in acid, giving more stable structure.

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Answer : The pressure of gas will be, 3.918 atm and the combined gas law is used for this problem.

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P_2 = final pressure of gas = ?

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