A 494-G Sample of an Oxide of Chromium Contains 3

question 68

Multiple Choice

A 4.94-g sample of an oxide of chromium contains 3.06 g of chromium.Calculate the simplest formula for the compound.

• A)CrO₅
• B)Cr₂O
• C)CrO₂
• D)CrO
• E)Cr₂O₃

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