A 308.5 mg sample contains malonic acid (H2A acid)(Form wt = 104.6). and sodi

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A 308.5 mg sample contains malonic acid (H2A acid)(Form wt = 104.6). and sodi

A 308.5 mg sample contains malonic acid (H2A acid)(Form wt = 104.6). and sodium hydrogen malonate (NaHA) (form wt = 126.04). Titration to the first potentiometric end point required 18.06 ml of 0.1000 M sodium hydroxide. An additional 25.14 ml of sodium hydroxide was required to reach the second potentiometric end point. Calculate the percentage of malonic acid and sodium hydrogen malonate in the sample

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