Using volatile acid standard mix (10 mM in deionized water) containing acetic acid, formic acid, propionic acid, isobutyric acid, butyric acid, iso-valeric acid, n-valeric acid, iso-caproic acid, n-caproic acid and heptanoic acid, 20 mg/L and 10 mg/L stock solutions were prepared in deionized water. On preparing such solution, mass of acetic acid was taken in account and later concentration of other acids was calculated based on that concentration. 请问怎么用乙酸的浓度来计算其他酸的浓度？
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