Statement says you have a total mass of 18.28 grams 5.83 g of K 5.29 g of Cl Mas

Question

Statement says you have a total mass of 18.28 grams

5.83 g of K

5.29 g of Cl

Mass of oxygen = 18.28 - 5.83 - 5.29 = 7.16 grams

The next step is to calculate the number of moles for every element

K has a molar mass of 39 g/gmol

Cl 35.5

O 16

moles = mass / molas mass

For K, 5.83 / 39 = 0.149

For Cl, 5.29/35.5 = 0.149

O , 7.16 / 16 = 0.4475

Now divide all the number by the smallest volume wich is 0.149

K 0.149 / 0.149 = 1

Cl 0.149 / 0.149 = 1

O 0.4475 / 0.149 = 3

This numbers are the coefficients for every element in the compound

KClO3

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Explanation / Answer

0 12/17/2017 1 1:00 PM 0/3 Print CalculatorPeriodic Table Question 1 of 3 Sapling Learning A 18.28 g sample of a compound contains 5.83 g potassium (K), 5.29 g chlorine (Cl), and oxygen (O), Calculate the empirical formula. KCIO Insert subscripts as needed.

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