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gizmo_the_mogwai [7]
3 years ago
14

Read the following chemical equation.

Chemistry
1 answer:
AnnyKZ [126]3 years ago
5 0

The correct fraction is 2/2.

The balanced equation is

2Al + 3Cl₂ → 2AlCl₃

<em>x</em> mol AlCl₃ × (2 mol Al/2 mol AlCl₃) = <em>x</em> mol Al

The molar ratio is 2 mol Al/2 mol AlCl₃, so the fraction is 2/2.

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Using the periodic table to choose the element that matches each description include the following below:

  • Halogen: iodine
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<h3>What is a Periodic table?</h3>

This contains elements which are arranged according to the order of their atomic number in a tabular form. There are 18 groups which are the vertical columns present while there are 8 periods which are the horizontal rows present in the periodic table.

Example of an alkali metal is potassium while the non reactive ones include argon, neon etc. Examples of halogens include chlorine, iodine etc. are the ones which have seven electrons in their outer electron shells thereby just requiring one electron to achieve to obtain a stable octet configuration.

These are therefore the elements which match the descriptions provided in this case and is the most appropriate choice.

Read more about Periodic table here brainly.com/question/15987580

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How many grams of aluminum will be deposited by 0.1F? (Al=27) a.0.3g b. 0.9. c. 9.0g. d. 2.7g<br>​
andrezito [222]

Based on the charge on the aluminium ion, 0.9 g of aluminium are deposited by 0.1 F of electricity.

<h3>What is electrolysis?</h3>

Electrolysis is the decomposition of a substance known as an electrolyte when electric current is passed through it.

The mass and hence moles an electrolyte deposited when current is passed through it depends on the charge on the ion.

Aluminium ion has a charge of +3 and requires 3F of electricity to deposit 1 mole or 27 g of aluminium

0.1 F will discharge = 0.1/3 × 27 g of aluminium

mass of aluminium deposited = 0.9 g of aluminium.

Therefore, 0.9 g of aluminium are deposited by 0.1 F of electricity.

Learn more about electrolysis at: brainly.com/question/26050361

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2 years ago
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I believe it is D. Hope this helps you!

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