You Find a Compound Composed Only of Element X and Hydrogen

question 19

Multiple Choice

You find a compound composed only of element X and hydrogen, and you know that it is 91.33% element X by mass. Each molecule has 2.67 times as many H atoms as X atoms. What is element X?

• A) Cu
• B) Si
• C) Cl
• D) C
• E) Ne

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