What is the mass percent of oxygen (o) in so2? chemistry’s

49.92% is the mass percent of oxygen (O)in sulfur dioxide.

Explanation:

Atomic mass of oxygen = 16 g/mol

Number of oxygen atoms in sulfur dioxide molecule = 2

Molar mass of sulfur dioxide =16 g/mol+ 16 g/mol + 32.1 g/mol= 64.1 g/mol

Percentage of oxygen in sulfur dioxide:

49.92% is the mass percent of oxygen (O)in sulfur dioxide.

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