Amount of Substance Flashcards
1
Q
What is The Avogadro constant?
A
6.022x10^23
2
Q
How do you calculate number of moles using mass and mr?
A
Moles= mass (g) / mr
3
Q
How do you calculate the number of moles using concentration and volume?
A
Moles= concentration (moldm^-3) x volume (cm3)
4
Q
What is the ideal gas equation?
A
PV=nRT
5
Q
How is percentage yield calculated?
A
Percentage yield =Actual yield / theoretical yield x 100
