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Old Feb 21st 2017, 08:47 PM   #1
starrysky
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Titration question! help.

A 0.2638 g impure sodium carbonate sample is analyzied by titrating the sodium carbonate with the 0.1288 M hydrochloride solution requiring 38.27 mL.

The reaction is CO3^2- + 2H^+ --> H2O + CO2
Calculate the percent sodium carbonate in the sample.

It will be great if someone help me solve this question. thank you.
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