How many chloride ions are there in 7.50 mol of aluminum chloride?

Question

Quizplus · Accepted Answer

The chemical formula of aluminum chloride is AlCl3, indicating that one aluminum ion combines with three chloride ions. Therefore, to find the number of chloride ions, we need to multiply the number of moles of aluminum chloride with the number of chloride ions per molecule, which is 3.

Number of chloride ions = 7.50 mol AlCl3 x 3 mol Cl-/1 mol AlCl3
= 22.5 mol Cl-
= 1.35 x 10^25 chloride ions (since 1 mole contains 6.022 x 10^23 particles)

Therefore, the answer is D - 1.35 x 10^25 chloride ions.

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