# In determination of percent purity of sodium carbonate a 25cm³ aliquot of a 5.4g/l sample required 17.57cm³ of 0.07495m soln

###### Question:

In determination of percent purity of sodium carbonate a 25cm³ aliquot of a 5.4g/l sample required 17.57cm³ of 0.07495m soln of dilute hcl acid to reach methyl orange end point. calculate the percentage purity of the sodium carbonate sample?

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