calculate the percentage of composition by mass of oxygen in Al(HCO3)3
a.22.86%
b.68.57%
c.78.26%
d.40.50%
a.22.86%
b.68.57%
c.78.26%
d.40.50%
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B. 68.57
Explanation:
Composition of Al(HCO3)3
Atomic Mass Mass Percent
Al 26.9815 g/mol 12.8464%
H 3.0238 g/mol 1.4397%
C 36.0321 g/mol 17.1555%
O 143.9946 g/mol 68.57%