Question
A 0.125 g of a sample that contains some sodium carbonate as well as other noncarbonate materials is dissolved in deionized water, then titrated by
A 0.125 g of a sample that contains some sodium carbonate as well as other noncarbonate materials is dissolved in deionized water, then titrated by HCl solution using bromocresol green indicator. It took 15.75 mL of the 0.1011 M HCl to cause the indicator to turn from yellow to blue. A blank containing only deionized water and bromocresol green took exactly 0.03 mL to turn from yellow to blue.
What is the analyte? What is the standard? What is the stoichiometry involved? What is the % Na2CO3 in the sample?
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Chemistry The Central Science
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
12th edition
321696727, 978-0132175081, 978-0321696724
