9.1
one mole of a substance is equal to Avogadro's number
how does a chemist count the numbers of particles in a given number of moles in a substance?
represents the constant quantity of items and counting units to simplify large numbers
how is a mole similar to a dozen
12 is the amount of grams
1 mole is the amount of atoms in how many grams of pure carbon?
moles x (6.022x10 ^23 particles / 1 mole)=particles or Avogadro's number
one conversion factor used to convert between particles and moles
1.20x10^24 is the amount of molecules
how many water molecules are in 2 moles of water