How many moles of KCl will be formed from 2.73 grams of KClO3

0.022 mole

Explanation:

To obtain the desired result, first, we need to write a balanced equation that will produced KCl from KClO3. This is illustrated below:

2KClO3 —> 2KCl + 3O2

Next, let us calculate the number of mole of KClO3 present in 2.73g of KClO3. This is illustrated below:

Molar Mass of KClO3 = 39 + 35.5 + (16x3) = 39 + 35.5 + 48 = 122.5g/mol

Mass of KClO3 from the question = 2.73g

Number of mole of KClO3 =?

Number of mole = Mass/Molar Mass

Number of mole of KClO3 = 2.73/122.5 = 0.022 mole

Now, we can obtain the number of mole of KCl produced from 2.73g of KClO3 as follow:

2KClO3 —> 2KCl + 3O2

From the equation above,

2 moles of KClO3 produced 2 moles KCl.

Therefore, 0.022 mole of KClO3 will also produce 0.022 mole of KCl.

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