A powder contains benzoic acid mixed with starch. A student finds that a 2.505 g sample of this powder requires 35.2 mL of a 0.102M sodium hydroxide solution for the acid to be neutralized. What is the percent by mass of benzoic acid in the powder? Use the correct number of significant figures and do not include units (or percent sign) or your answer will be counted wrong.
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A powder contains benzoic acid mixed with starch. A student finds that a 2.505 g sample of this powd...
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