The Following Measurements of the Mass of an Aspirin Tablet

question 75

Multiple Choice

The following measurements of the mass of an aspirin tablet were made by different students in a lab. Each set gives the results of 3 measurements followed by the average. Which set produced the most accurate result? All values are in grams. The standard value reported by an analytical laboratory was 1.501 g.

• A) 1.513, 1.503, 1.522 = 1.513
• B) 1.513, 1.511, 1.450 = 1.491
• C) 1.513, 1.459, 1.533 = 1.502
• D) 1.513, 1.517, 1.512 = 1.514
• E) 1.513, 1.510, 1.523 = 1.515

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Definitions:

Conversion

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Promissory Note

A financial instrument that contains a written promise by one party to pay another party a specific sum of money either on demand or at a specified future date.

Cancellation

The act of declaring a contract or agreement null and void, thereby releasing the parties from their obligations under the contract.

Comparative Negligence

A legal doctrine that allocates the responsibility and damages in an accident proportionally to the degree of fault of each party involved.