A sample of 0.6760 g of an unknown compound containing barium ions (Ba²+) is dissolved in water and treated with excess sodium

Question

A sample of 0.6760 g of an unknown compound containing barium ions (Ba²+) is
dissolved in water and treated with excess sodium sulfate. After the reaction goes to
completion, 0.4105 g of a solid residue are obtained. Based on data given determine
the percent by mass of Ba in the original unknown compound.
(Enter your answer in the space provided below and submit all supporting work in
order to receive full credit)
% Ba in sample:

Kunduz · Accepted Answer

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