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3 years ago

the molecular equation to aqueous solutions of magnesium hydroxide and chromium (lll) iodide are mixed

Chemistry

1 answer:

Llana [10]3 years ago

5 0

Explanation:

Magnesium is more reactive then chromium. So, when magnesium hydroxide reacts with chromium (lll) iodide then magnesium displaces chromium.

When magnesium hydroxide and chromium (lll) iodide are mixed together then it results in the formation of magnesium iodide and chromium hydroxide.

The chemical reaction equation is as follows.

$3Mg(OH)_{2} + 2CrI_{3} \rightarrow 3MgI_{2} + 2Cr(OH)_{3}$

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The number of moles in 3.20 x 10² formula units of calcium iodide is 0.053 moles.

<h3>How to calculate number of moles?</h3>

The number of moles in the formula units of a substance is calculated by dividing the formula unit by Avogadro's number.

According to this question, 3.20 x 10² formula units are in calcium iodide. The number of moles is as follows:

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