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A 06025g sample was dissolved and the Ca2 and Ba2 ions present were precipitated as BaC2O4 H2O and CaC2O4 H2O The oxalates were then heated in a thermo gravimetric apparatus leaving a residue

A 0.6025-g sample was dissolved, and the Ca2+ and Ba2+ ions present were precipitated as BaC2O4· H2O and CaC2O4' H2O. The oxalates were then heated in a thermo gravimetric apparatus leaving a residue that weighed 0.5713 g in the range of 320°C to 400°C and 0.4673 g in the range of 580nC to 620°C. Calculate the percentage Ca and percentage Ba in the sample.

 

 

 

Jun 22 2020 View more View Less

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