Chapter 2: Amount Of Substance Flashcards
1
Q
What is the formula for calculating moles?
A
Moles= mass/Mr
2
Q
What is the formula for calculating concentration?
A
Concentration=Moles/Volume
3
Q
What is the ideal gas equation formula?
A
PV=nRT
Pressure X Volume=amount of substance X ideal gas constant X temperature
4
Q
How do you convert from °C to K
A
x°C + 273= x Kelvin
5
Q
How do you convert from kPa to Pa
A
kPA X 1000 = Pa
6
Q
How do you convert from cm^3 to dm^3
A
cm^3 divided by 1000 = dm^3
7
Q
What is 1 mole of any gas?
A
24 dm^3
8
Q
What is relative atomic mass
A
The relative atomic mass of an element is the average mass of its atoms, compared to 1/12th the mass of a carbon-12 atom.
