What Is the Formula Unit Mass of Chromium(III) Oxide (Cr₂O₃)

question 130

Multiple Choice

What is the formula unit mass of chromium(III) oxide (Cr₂O₃) ?

• A)152.0 amu
• B)136.0 amu
• C)120.0 amu
• D)104.0 amu
• E)68.0 amu

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