A Flask Has a Mass of 78

question 69

Multiple Choice

A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H₂SO₄, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of 1.00 g/cm³ at the temperature of the measurement.)

• A)1.992 g/cm ³
• B)1.840 g/cm ³
• C)1.729 g/cm ³
• D)1.598 g/cm ³
• E)0.543 g/cm ³

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Definitions:

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment.

Behavioral Perspective

An approach in psychology focusing on observable behaviors and how environmental interactions shape them.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Self-Efficacy

The belief we have in our ability to succeed in a specific task or situation.