Examlex
The substance C5H5OH in water solution is a:
Matter
Anything that occupies space and has mass, composed of atoms or molecules.
Mass
A property reflecting the amount of matter within an object, commonly measured in kilograms or grams.
Atomic Number
A fundamental characteristic of an element, indicating the number of protons in the nucleus of its atoms.
Avogadro's Number
A constant that represents the number of constituent particles, usually atoms or molecules, that are contained in one mole of a substance, approximately \(6.022 \times 10^{23}\).
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