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Sodium hydrogen carbonate, NaHCO3, can be decomposed completely by heating. 2 NaHCO3(s)- Na2CO;(s)+ CO2(g)+H20g A sample of impure NaHCO; with an initial mass of 0.890 g yielded a solid residue mass of 0.684 g. Determine the mass percent of NaHCOj in the sample. (consisting of Na CO3 and other solids) with a final

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a NunCO3(s, Na2CO3(s) + CO2(g) + H2O(g) odgo g solid residue (inrical max) 6.604 g final mas puse Nan CO2 (s) burereanco mars

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