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Q: Which of the following is used to determine molecular weight of fatly acids.
  • A. Peroxide Value
  • B. Saponification Value
  • C. Acid Value
  • D. Iodine Value
Correct Answer: Option B - The saponification value corresponds to the mass in mg of KOH or NaOH needed to neutralize the free fatly acid and saponeify the esters contained in a gram of material. The saponification value is utilized to determine molecular weight of fatly acids.
B. The saponification value corresponds to the mass in mg of KOH or NaOH needed to neutralize the free fatly acid and saponeify the esters contained in a gram of material. The saponification value is utilized to determine molecular weight of fatly acids.

Explanations:

The saponification value corresponds to the mass in mg of KOH or NaOH needed to neutralize the free fatly acid and saponeify the esters contained in a gram of material. The saponification value is utilized to determine molecular weight of fatly acids.