moles Flashcards
1
Q
what is a mol
A
standard chemical unit for ddescribing the amount of substance in terms of the number of particles
2
Q
what is the number of particles in a mol
A
6.022 x 10^23 - avagadros
3
Q
what does m = n x M mean
A
n = moles of teh substance in mol
m = mass of the substance in g
M = molar mass of the substance in gmol
4
Q
what does STP stand for
A
Standed tempearture and pressure
5
Q
formula for molar volume for gas at STP
A
n/22.71
6
Q
formula for molar volume for a gass at non STP
A
n = PV/RT mol