3.1 amount of substance and the mole Flashcards
1
Q
Amount of substance is measured in …..
A
moles (mol)
2
Q
Amount of substance (n)=
A
mass (m)g / molar mass (M) g/mol
3
Q
Avogadro’s constant
A
6.02x10^23
4
Q
How do you calculate
Number of particles NA
A
number of moles (n) X 6.02x10^23
5
Q
The mass of 1 mole of an element is the same as the …….. in grams
A
relative atomic mass
6
Q
what is meant by the term mole?
A
amount of substance that has the same number of particles as there are atoms in 12g of C-12 aka 6.02x10^23
7
Q
NaClO is commonly used as
A
bleach, disenfectant