The mole is used in chemistry
A) to count large numbers of very small particles, such as atoms or molecules.
B) to relate the mass and the number of particles of a substance to each other.
C) to relate the mass and the volume of a substance to each other.
D) all of these are true.
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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The mole is used in chemistry
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