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A 2.2222 gram sample containing soda ash is dissolved in a 100 mL volumetric flask. A...

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Chemistry

A 2.2222 gram sample containing soda ash is dissolved in a 100mL volumetric flask. A 24.98 mL aliquot is analyzed and required45.67 mL of 0.1234 M HCl, before it was boiled, cooled, andback-titrated with 8.88 mL of 0.0987 M NaOH. What is the percentNa2CO3?

Answer & Explanation Solved by verified expert
3.7 Ratings (510 Votes)
Number of moles of NaOH required to back titrate the excess HCl is n Molarity volume in L n 00987 M 888 mL103LmL 876104 moles NaOH HCl NaCl H2O 1 mole of    See Answer
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