Multiple Choice
What volume (in mL) of a soft drink that is 10.5% sucrose (C12H22O11) by mass contains 78.5 g of sucrose? (The density of the solution is 1.04 g/mL.)
1. Intro to General Chemistry
Density
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In the context of chemistry, what is the primary difference between population size and density?
A
Population size is the mass of a substance, while density is the volume occupied by the substance.
B
Population size is the concentration of a solution, while density is the weight of the solution.
C
Population size refers to the number of particles, while density refers to mass per unit volume.
D
Population size is the volume of a substance, while density is the number of particles per unit mass.
Verified step by step guidance1
Understand that the problem is asking for the primary difference between two concepts: population size and density, in a chemistry context.
Recognize that 'population size' in chemistry typically refers to the number of particles, such as atoms, molecules, or ions, in a given sample.
Identify that 'density' in chemistry is defined as the mass of a substance per unit volume, often expressed in units like grams per cubic centimeter (g/cm³) or kilograms per liter (kg/L).
Evaluate the given options: The correct distinction is that population size refers to the number of particles, while density refers to mass per unit volume.
Conclude that the other options incorrectly describe population size and density, as they mix up concepts like mass, volume, concentration, and weight.
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