Little Hilton
01/08/2024 · Middle School
To calculate the percent \( \mathrm{w} / \mathrm{w} \) of Hac in each layer we should know the value of chemical factor and the volume of titration solution or standard solution ( NaOH\( ) \) (end point) we add to each layer. Chemical factor: No. of grams of substances react with one ml of standard solution. \( \mathrm{CH} 3 \mathrm{COOH}+\mathrm{NaOH} \rightarrow \mathrm{CH3COONa}+\mathrm{H} 2 \mathrm{O} \) \( 1 \mathrm{M} . \mathrm{Wt} \). of \( \mathrm{HAC}=1 \mathrm{M} . \mathrm{Wt} \). of NaOH
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لحساب النسبة المئوية من حمض الهيدروكسى في كل طبقة، يجب معرفة عامل الكيمياء وكمية محلول NaOH التي يتم إضافتها.
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