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Q: What is the approximate percent by mass of oxygen in SO3?
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Determine the percent sulfur by mass in so3?

the percent sulfur by mass in so3 is 40.050%


What is the empirical formula of a compound that is 4 percent sulfur and 6 percent oxygen by weight?

We can't tell. What's the other 90 percent? If you meant 40/60 instead... the mass of sulfur is twice that of oxygen, so a mass ratio of 40:60 is equivalent to an atom ratio of 1:3. The empirical formula would be SO3.


What will be the element of SO3?

SO3 is the sulfate radical; it contains sulfur and oxygen.


What is the mass of oxygen present in 20g of sulfur trioxide in this equation?

The molecular formula of sulphur trioxide is SO3. What is the mass of oxygen present in 20 g of sulphur trioxide? (Relative atomic mass: S = 32; O = 16) need help


What is the percent sulfur in SO3?

40%


What is the mass in grams of 1.12 moles of SO3?

molar mass SO3 = 80 g/mole. 1.12 moles x 80 g/mole = 89.6 grams


What is no2 so2 and so3?

SO3 = sulphur dioxide O2= oxygen SO3 = sulphur trioxide SO3- = sulphite that should be it .... right? :)


What atoms are in sulphur trioxide?

sulfur and oxygen SO3


In what species is there the greatest unequal sharing of the bonding electrons SO3 SO3-- NH4 plus H2O H2S?

H2O, as the difference in electronegativity between hydrogen and oxygen is the largest (among the options given: SO3 , SO3-- , NH4+, H2O)


How many elements is in (so3)4?

The are two elements in SO3: sulfur and oxygen.


What is the correct formula for a compound that has 3 oxygen atoms and 1 sulfur atom?

SO3, Sulfer Trioxide. Or SO3(2-), Sulfite.


Which gas diffuses faster SO3 or O2?

Oxygen diffuse faster.