The formula mass of aluminum oxalate,Al₂(C₂O₄)₃,is A)143 amu. B)318 amu. C)290 amu. D)204 amu. E)197 amu.

Name: The formula mass of aluminum oxalate,Al 2 (C 2 O 4 ) 3 ,is A)143 amu. B)318 amu. C)290 amu. D)204 amu. E)197 amu.
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Quizplus · Accepted Answer

The formula mass of aluminum oxalate, Al2(C2O4)3, is calculated by adding the atomic masses of all atoms in the formula: 2 Al (26.98 amu each) + 6 C (12.01 amu each) + 12 O (16.00 amu each) = 53.96 (Al) + 72.06 (C) + 192 (O) = 318.02 amu, rounded to 318 amu.

The Formula Mass of Aluminum Oxalate,Al2(C2O4)3,is

The Formula Mass of Aluminum Oxalate,Al₂(C₂O₄)₃,is