chemistry

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If one-fourth cup of vinegar contains 0.049 mole of HC2H3O2, how many grams of baking soda will react with this amount of acetic acid? What would be the percent by weight of HC2H3O2 in this one-fourth cup of vinegar solution? (assume density of vinegar is 1.00 g/mL and that ¼ cup = 62.5 mL)

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