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    Introductory Chemistry Atoms First
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    Exam 9: Stoichiometry and the Mole
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    The Molar Mass of a Compound AL₂(XO₄)<sub>3</sub> Is 342
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The Molar Mass of a Compound AL₂(XO₄)3 Is 342

Question 107

Question 107

Multiple Choice

The molar mass of a compound AL₂(XO₄) 3 is 342. The atomic mass of X is ________, which is ________.


A) 31; P
B) 32; S
C) 52; Cr
D) 55; Mn

Correct Answer:

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