Multiple Choice
At 100°C, the solubility of NaCl in water is approximately 39 g per 100 mL. How many grams of NaCl are required to prepare 600 mL of a saturated NaCl solution at 100°C?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Which of the following best describes the role of a solvent in a solution?
A
The solvent determines the color of the solution.
B
The solvent is the substance that dissolves the solute to form a solution.
C
The solvent is the substance that is dissolved by the solute.
D
The solvent is always a solid in a solution.
Verified step by step guidance1
Understand the definition of a solution: a homogeneous mixture composed of two or more substances.
Identify the two main components of a solution: the solute and the solvent.
Recall that the solute is the substance that gets dissolved, while the solvent is the substance that dissolves the solute.
Recognize that the solvent is usually the component present in the greatest amount and determines the physical state of the solution (liquid, solid, or gas).
Conclude that the correct description of the solvent's role is: it is the substance that dissolves the solute to form a solution.
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