Moles Flashcards
What is Avocadro’s number
6X 10 (23)
Who is Avogadros number named after
Amedo Avogardo
What is one mole of a substance
The amount of a that substance that contains 6 x 10(23) particles of that substance
What type types of particles define a substance
Atoms and molecules
What is an atom
The smallest part of an element that still has the properties of that element
Molecule
Two or more atoms chemically combined
What is a Element
A substance that cannot be chemically broken down further
Elements are made up of
Atoms
Compounds are composed of
Molecules
Mass of 1 mole of an element (6x10(23))
Relative atomic mass in grams
How would you calculate the Relative molecular mass of a compound
Add up all the masses of the individual atoms in the molecule/compound
What is the relative molecular mass
The average mass of one molecule of that compound compared with one twelfth of the mass of the carbon-12 isotope
To find actual mass
Molar mass x moles
To find the no of mole from mass
Actual mass /molar mass
To find number of particles
No of moles
x 6x10 (23)