Topic 3-Quantitative chemistry Flashcards
1
Q
What is the Avogadro constant?
A
6.02 time 10 to the power of 23
2
Q
What is one mole of any substance?
A
the amount of that substance that contains and Avogadro number of particles
3
Q
How does one mole of a substance relate to its relative atomic mass?
A
One mole of atoms or molecules of any substance will have a mass in grs equal to the relative formula mass
e.g. carbon has relative atomic mass of 12, one mole of carbon weighs 12 grams
- CO2 has relative molecular mass of 44, one mole of CO2 weighs 44g
