Antimony is alloyed with lead to increase the rigidity of, Ask an Expert

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Antimony is alloyed with lead to increase the rigidity of components used in the construction of lead storage batteries.

1.335 g of a particular metallic alloy, compounded of only Pb and Sb, can be quantitatively converted into a 1.554-g mixture of the oxides PbO2 and Sb2O4.

What was the percentage (by mass) of antimony in the alloy? %

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