Question #6465061Single Choice
Chemistry
Question
A compound has the formula . The molar mass of magnesium (Mg) is 24.3 g/mol, sulfur (S) is 32.1 g/mol, and oxygen (O) is 16.0 g/mol. What is the percent composition of magnesium in this compound?
Options
A
19.8%
B
25.0%
C
20.2%
D
35.0%
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