1 answer

A titration experiment is conducted in order to find the percent of NaHCOz In= baking powder package. HCI was used

Question:

A titration experiment is conducted in order to find the percent of NaHCOz In= baking powder package. HCI was used as the tltrant: Other Information is given as follows Mass of baking powder 0.9767 g Molarity of titrant 0.05 M Volume of consumed titrant 8.9 mL Molecular weight of NaHCO3 84 glmol Consider four digits after point, NaHCO: HCI NaCl Hzo COz What is the percent of NaHCO3in the baking powder package Your answer: 3 % 16 % 50 %6 92 %


Answers

An acid-base titration was used to find the percentage of $\mathrm{NaHCO}_{3}$ in $0.310 \mathrm{~g}$ of a powdered commercial product used to relieve upset stomachs. The titration required $14.3 \mathrm{~mL}$ of $0.101-\mathrm{M} \mathrm{HCl}$ to titrate the powder to the equivalence point. Assume that the $\mathrm{NaHCO}_{3}$ in the powder is the only substance that reacted with the titrant. Calculate the percentage of $\mathrm{NaHCO}_{2}$ in the powder.

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