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QuestionArt
Which of the following best defines Avogadro's number?
A. Mass, in grams, of each particle of the substance
B. Number of particles in one mole of a pure substance
C. Mass, in grams, of the nucleus of the substance's atoms
D. Total mass, in grams, of all the particles in one mole of the substance
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Answer
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Step 1: Understand the definitions of the terms provided.
Avogadro's number is a fundamental constant in chemistry and physics, representing the number of particles (atoms or molecules) in one mole of a substance. It is approximately equal to 6.022 x 10^23.
Step 2: Identify the correct definition.
The given options are: A. Mass, in grams, of each particle of the substance B. Number of particles in one mole of a pure substance C. Mass, in grams, of the nucleus of the substance's atoms D. Total mass, in grams, of all the particles in one mole of the substance
Final Answer
The best definition of Avogadro's number is option B: Number of particles in one mole of a pure substance.
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