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iren [92.7K]
3 years ago
12

"how many particles would one formula unit of alcl3 produce when dissolved in solution?"

Chemistry
2 answers:
mote1985 [20]3 years ago
7 0
I think you mean “atoms”
And it’s 4 atoms
True [87]3 years ago
3 0

Answer: 4


Justification:


1) The dissolution of a formula unit of AlCl₃ is given by the chemical equation:


AlCl₃ (s) → Al₃⁺ + 3 Cl⁻


So, 1 unit of AlCl₃ yields 1 partilce of Al₃⁺ and 3 particles of Cl⁻.


2) You get that through a mass balance and the oxidation states (balance of charge).


i) Mass balance: the same number of atoms of each species must appear on the reactant and the product sides.


ii) The oxidation state of Al is 3+ and the oxidation state of Cl is 1-, so the total net charge is 3+ + 3(1-) = 3 - 3 = 0.

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C)If the product is wet with water there will be no change in the infrared spectrum

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scandium47 has a half-life of 35s. suppose you have a 45g sample of scadium 47 how much of the sample remains unchanged after 14
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=140 sec/ 35 s = 4 half life

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