To make conversions between mass, moles, and particles we use the concept of molar mass and the avogadro number. These conversions can be used to get different values according to our interest.
Conversion between mass, moles, and particles
To make conversions between mass, moles, and particles, we use different concepts and calcs.
These can be used one way or the other, depending on what we want to know.
Conversion between mass and moles
We use the concept of molar mass.
The molar mass can be calculated by adding the atomic weight of each atom composing the molecule.
- By knowing the mass of atoms in a mole, we can get the number of moles in a mass of X grames.
- Inversely, by knowing the mass of atoms in one mole, we can get the mass of an X number of moles.
Conversion between moles and particles
We use the standard Avogadro number ⇒ 6,03 x 10²³ particles = 1 mol
Particles refer to atoms, molecules, ions, and others.
- By knowing the number of particles in one mole, we can get the number of particles in X moles.
- Inversely, by knowing the number of particles in one mole, we can get the number of moles in X particles.
You will find the concept map in the attached files
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