Oxygen forms a number of compounds with sulfur, many of which are quite reactive. one such compound is 57.20 % by mass s . calculate the number of grams of oxygen present in a sample of this compound that contains 50.00 grams of s .

37.41 grams of oxygen present in a sample of this compound that contains 50.00 grams of S.

Explanation:

Mass of Sulfur present in the sample = 50.00 g

Mass of oxygen present in the sample = m

Total mass of the sample of the compound =  = 50.00 g + m

Percentage of sulfur by mass in the compound = 57.20%

m = 37.41 g

37.41 grams of oxygen present in a sample of this compound that contains 50.00 grams of S.

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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fe 55.85 g/mol and h2o 18.02 g/mol.