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:

Neural Signals

Electrical impulses and chemical signals transmitted by neurons to communicate information throughout the nervous system.

Light Energy

The form of energy that is visible to the human eye and is responsible for the sense of sight.

Pupillary Opening

The adjustable opening at the center of the iris in the eye, which controls the amount of light that enters the eye.

Visual Stimuli

Objects or situations that are seen and stimulate the visual senses, often used in cognitive and perceptual research.