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Sodium sorbate (HS) and sodium benzoate (HBz) are additives used together in many foods to inhibit the...

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Chemistry

Sodium sorbate (HS) and sodium benzoate (HBz) are additives usedtogether
in many foods to inhibit the growth of microorganisms. Inparticular, it
they are present in jams in the following amounts, sodiumsorbate
(150.22 g / mol) 44 mg / kg and sodium benzoate (144.11 g / mol) 26mg / kg. 10 g of
jam and dissolve in H2O until a total volume of 70 mL is obtained.Determines
the pH of the resulting solution assuming they are the only acid /basic species
existing in the mix. Ka sorbic acid (HS) = 1.74 x 10-5, Ka benzoicacid (HBz) =6.28 x 10-5.

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