Determine the mass fractions of elements (in%) in sulfur oxide (VI)
| April 13, 2021 | education
The mass of sulfur oxide (VI) SO3 is 80 grams / mol (the mass of sulfur is 32 + the mass of all oxygen atoms is 48). Knowing the mass of sulfur oxide, you can add the proportion of 80 grams – 100%, and 32 – X; hence X = 32 * 100/80; X = 40%. The mass fraction of sulfur in its hexavalent oxide is 40%, and the mass fraction of oxygen is 60%.
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