masses moles etc Flashcards
1
Q
What is ram/ Ar
A
Top number so the mass number = protons + neutrons
2
Q
What is relative formula mass/ Mr
A
basically its all the mass numbers of the compound added together nice and easy
3
Q
mole number
A
6.022 X 10 23
4
Q
moles fact
A
any RAM in g is one mole
5
Q
mass moles ram equation
A
moles = mass/RAM or RAM x moles = mass
6
Q
concentration triangle w cm
A
masss
concentration x volume cm x1000
7
Q
concentration triangle
A
mass
concentration x volume dm
8
Q
how is an aqueous solution more concentrated
A
if you dissolvee more solute in the same vol of solvent, or evapourating some of the solvent with the same mass of solute
