There is no water in sulfur; sulfur is an element and therefore does not contain any other chemical substance.
Interesting question, since sulfur will not dissolve or react with water. But if it did, one gallon of a 1/2% (by weight) solution of "sulfur water" would weigh 8.3817 pounds. (There would be about 2/3rds of an ounce of sulfur "dissolved" in the water.)
Sulfur dioxide contains (nearly) equal masses of sulfur and oxygen.
the percent sulfur by mass in so3 is 40.050%
21.95%
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Sulfur is an element, a pure substance, it is 100% sulfur.
CaS
it so very easy you can answer that joke the answer is percent of sulfur in ammonium sulfate
21.95%
No. sulfur does not react with water.