5. If a 7.0 mL sample of vinegar was titrated to the stoichiometric equivalence point with 7.5 mL of 1.5M NaOH, what is the mass percent of CH₂COOH in the vinegar sample? Show your work. Moles of NaOH used 1.5M x 7.5 mL = 11.25 millimole Moles of acetic acid in vinegar 11.25 millimole Concentration of acetic acid = 11.25 millimole/7.0 mL = 1.61 M Mass % of acetic acid= 1.61 M x 60 g/mol (molar mass of acetic acid)= 96.43% ????? I
5. If a 7.0 mL sample of vinegar was titrated to the stoichiometric equivalence point with 7.5 mL of 1.5M NaOH, what is the mass percent of CH₂COOH in the vinegar sample? Show your work. Moles of NaOH used 1.5M x 7.5 mL = 11.25 millimole Moles of acetic acid in vinegar 11.25 millimole Concentration of acetic acid = 11.25 millimole/7.0 mL = 1.61 M Mass % of acetic acid= 1.61 M x 60 g/mol (molar mass of acetic acid)= 96.43% ????? I
Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 123CP: In most of its ionic compounds, cobalt is either Co(II) or Co(III). One such compound, containing...
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