A scientist isolates an unknown organic acid through a series of experiments and intends to determine identity of it. He mixes 0.195 g of this acid in 200 ml of water and then titrates it with 0.1 M NaOH. If it takes 16 ml of NaOH to reach the equivalence point, what is the likely identity of this acid? CH,COOH (Benzoic acid) HCOOH (Formic Acid) CH₂COOH (Acetic Acid) dài,CHCOOH (Lactic Acid) CCH3CHCoon

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A scientist isolates an unknown organic acid through a series of experiments and intends to
determine identity of it. He mixes 0.195 g of this acid in 200 ml of water and then titrates it with
0.1 M NaOH. If it takes 16 ml of NaOH to reach the equivalence point, what is the likely identity
of this acid?
CH₂COOH (Benzoic acid)
HCOOH (Formic Acid)
CH₂COOH (Acetic Acid)
Cất,CHCOOH (Lactic Acid) CCH3 CH Cool
Transcribed Image Text:A scientist isolates an unknown organic acid through a series of experiments and intends to determine identity of it. He mixes 0.195 g of this acid in 200 ml of water and then titrates it with 0.1 M NaOH. If it takes 16 ml of NaOH to reach the equivalence point, what is the likely identity of this acid? CH₂COOH (Benzoic acid) HCOOH (Formic Acid) CH₂COOH (Acetic Acid) Cất,CHCOOH (Lactic Acid) CCH3 CH Cool
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This question is answered by using the simple concept of chemical reactions of acids with base. Using the stoichiometry, moles of acids are calculated then molar mass. Using the molar mass, acid is identified.

 

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