how can we best express the amount of substance present in a material?
Answers
Measure of substance, likewise called material amount or material quantity, is a dimensionless articulation of the quantity of particles in a sample. The particles are typically molecules, yet they can be protons, neutrons, electrons, or more major particles, for example, quarks. Measure of substance can likewise be communicated regarding composite particles, for example, atoms.
The standard unit of material amount in the International System ( SI ) is the mole . This unit depends on the mass of 0.012 kilogram (kg), or 12 grams (g), of carbon 12 (C-12), the core of which contains six protons and six neutrons. One mole is equivalent to roughly 6.022169 x 10 23 , and is likewise called the Avogadro steady.
Amount of substance measures the size of a particular ensemble.
It is also called the material quantity.
It mainly defines the amount of substance to be proportional to the number of entities present.
The particles are usually atoms, protons, neutrons and electrons.
Every amount of substance is measured in Mass ie. Kilograms or Grams, Volume(L) and mole.