Derive the formula for a substance that contains 58.8% barium, 13.7% sulfur and 28% oxygen.

univerkov | December 21, 2020 | education

Let’s present the formula of a substance in general form: BaxSyOz
The calculation is carried out per 100 grams of substance
x: y: z = 58.8 / 137: 13.7 / 32: 28/16 = 0.43: 0.43: 1.75 = 1: 1: 4
Hence, the number of atoms is related as 1: 1: 4
Thus, the formula of the substance: BaSO4 – barium sulfate

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