If the specific gravity of vinegar (acetic acid) is 1.049, what is its density in units of lbm/ft^3?

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One way to make vinegar (not a gourmet choice) is to prepare a solution of acetic acid (the only acid component of vinegar) at the proper pH =3 and add appropriate flavoring agents. Acetic acid (Molecular weight = 60 grams/mole) is a liquid at 25 degree Celsius with a density of 1.049 g/ml. What is the number of moles of acetic acid that must be added to distilled water to make 1 L of simulated vinegar? The pK_a for acetic acid is 4.76.

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The Kf for acetic acid is 3.90 oC/m and its freezing point is 16.6 oC. Calculate the freezing point of a 1.25 M solution of benzoic acid, C7H6O2 in acetic acid. The density of this solution is 1.067 g/mL. The density of pure acetic acid is 1.049 g/mL.

Show all of your work and include all units when solving this problem. Also report your answer with the proper number of sig figs.

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If the specific gravity of vinegar (acetic acid) is 1.049, what is its density in units of lbm/ft^3?

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