Tear gas has the composition 40.25% carbon, 6.19% hydrogen, 8.94% oxygen, 44.62% bromine. what is the empirical formula of this compound?

Empirical formula will be

Explanation: Assuming that the total mass of the given tear gas = 100g

Mass of each element will be equal to the percentages of each element given

Mass of Carbon = 40.25g

Mass of Hydrogen = 6.19g

Mass of Oxygen = 8.94g

Mass of Bromine = 44.62g

Now, converting mass of each element into their moles using the formula

    (Molar Mass of C = 12g)

   (Molar Mass of H = 1g)

   (Molar Mass of O = 16g)

   (Molar Mass of Br = 80g)

Dividing moles of each element with the smallest number of moles calculated, we get the mole ratio of each element.

The mole ratio of each element is written in the subscript of each element in the empirical formula.

Empirical Formula :

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