How to find the percent weight using two values

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Perform a titration of Na2CO3 in an unknown. Equivalence point was 18.46 mL and second equivalence point was 33.185 mL. How to find the percent weight of Na2CO3 in the unknown using these two values?

Reference no: EM13179312

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How to find the percent weight using two values : Equivalence point was 18.46 mL and my second equivalence point was 33.185 mL. How to find the percent weight of Na2CO3 in the unknown using these two values?
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