Suppose you are titrating vinegar, which is an acetic acid solution of unknown strength, with a...

Suppose you are titrating vinegar, which is an acetic acid solution of unknown strength, with a sodium hydroxide solution according to the equation

H C 2 H 3 O 2 + N a O H ⟶ H 2 O + N a C 2 H 3 O 2 H C 2 H 3 O 2 + N a O H ⟶ H 2 O + N a C 2 H 3 O 2

If you require 33.38 mL of 0.1936 M N a O H N a O H solution to titrate 10.0 mL of H C 2 H 3 O 2 H C 2 H 3 O 2 solution,

what is the molar concentration of acetic acid in the vinegar?

Expert Solution

CH₃COOH + NaOH CH₃COONa + H₂O

one mole of acetic acid is neutralized by NaOH

Molarity ( NaOH ) X Volume ( NaOH ) =Molarity ( Acetic acid ) X Volume ( acetic acid )

0.1936 M X 33.38 mL = Molarity ( Acetic acid ) X 10 mL

Molarity ( Acetic acid ) = 0.646 M

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queen_honey_blossom answered 2 years ago

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