A soft drink contains an unknown amount of citric acid S6H8O7 which is triprotic acid. of 40.2 ml of 0.00621 M NaOH are required to tritrate 71.0 ml of the soft drink, what is the morality of the citric acid in the soft drink? How many grams of citric acid are in 100.0 ml of the soft drink?
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Citric acid is C6H8O7, not S6H8O7
you are given volume and concentration for NaOH, you can find moles
citric acid + NaOH --> salt + water
being triprotic it'll need 3 moles of base for every mole of acid
so citric acid + 3NaOH --> salt + 3 water
you are given volume and moles of acid now, easy to find concentration
after that it'll be straight plug for grams of citric acid
when you say salt, mean NaCl?
no, i mean just a general salt, the specific salt is not important here