The formula for potassium sulfide is K2S
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Density = mass/volume
13.6 = 0.35/v
Divide both sides by 0.35 in order to find the volume.
38.85714286 = volume
You can either round it to the nearest hundredth or tenth depending on the problem or just leave it as is.
Answer:
Overview. A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. In empirical formulae, these proportions begin with a key element and then assign numbers of atoms of the other elements in the compound, by ratios to the key element
Explanation:
