Three Students Measured the Density of Pure Water in the Laboratory

question 84

Multiple Choice

Three students measured the density of pure water in the laboratory. Their results are as follows:
Student 1:
Density = 1.20 g/mL Student 2:
Density = 1.21 g/mL Student 3:
Density = 1.19 g/mL The actual density of water at 25 ° C equals 0.997 g/mL. What do the results of these three experiments demonstrate when compared to the true density of water?

• A) High accuracy and high precision
• B) High accuracy and low precision
• C) Low accuracy and high precision
• D) Low accuracy and low precision
• E) None of these

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Definitions:

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Coarse Tremor

A type of involuntary, rhythmic muscle contraction characterized by large, fast movements that are visible and can affect any part of the body.

Alcohol Withdrawal

Symptoms that occur when a person who is accustomed to regular alcohol intake suddenly stops or significantly reduces their alcohol consumption.

CIWA-Ar

A clinical tool used to assess the severity of alcohol withdrawal symptoms and guide treatment decisions.