A Student Measured the Optical Activity of an Unknown Sugar

question 36

Multiple Choice

A student measured the optical activity of an unknown sugar at two different concentrations. The results of his measurements are shown below. Given that the sample cell had a path length of 10.0 cm, calculate the specific rotation for the unknown sugar. (Hint: Consider each measurement of plane polarized light has a true reading and a "ghost" reading 180° from the true reading) .

• A) -10.5^∘
• B) +25.6^∘
• C) +79.5^∘
• D) -105^∘
• E) +256^∘

Understand the efficiency of energy conversion in photosynthesis.

Understand the consequences of delivering defective goods and the buyer's rights for recovery.

Recognize the implications of misrepresentation of solvency by the buyer and its impact on the seller's rights.

Comprehend the enforceability of liquidated damages and the alternatives for an injured party when such clauses are unenforceable.

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