A 4.640-g sample of a mixture of sodium hydrogen carbonate and potassium chloride is dissolved in 25.20
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A 4.640-g sample of a mixture of sodium hydrogen carbonate and potassium chloride is dissolved in 25.20 mL of 0.444 M H2SO4. Some acid remains after treatment of the sample.
a. Write both the net ionic and the molecular equations for the complete reaction of sodium hydrogen carbonate with sulfuric acid.
b. If 34.8-mL of 0.109 M NaOH were required to titrate the excess sulfuric acid, how many moles of sodium hydrogen carbonate were present in the original sample?
c. What is the percent composition of the original sample?
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a H 2 SO 4 aq 2NaHCO 3 aq Na 2 SO 4 aq 2CO 2 g 2H 2 Ol molecular H 3 O aq HCO 3 ...View the full answer
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