substance of amount

• how many particles does a mole contain?


  6.02x10^23
• what is the number of particles in a mole known as?

  avogadros constant
• whats the formula for the number of particles?

  number of particles=number of moles x Avogadro's constant
• what are the two formulas for the number of moles?


  number of moles=mass of substance/Mr

  number of moles=concentration x volume
• whats the ideal gas equation?

  pressure x volume= number of moles x 8.31 x temperature
• what is empirical formula?


  the simplest whole number ratio of atoms of each element in a compound
• whats a molecular formula?


  the actual number of atoms of each element in a compound
• whats the equation for percentage yield?


  percentage yield=actual yield/ theoretical yield x 100
• whats the equation for percentage atom economy?


  percentage atom economy=desired product mass/sum of all products x100
• whats the relative atomic mass?


  the average mass of an atom of an elements relative to one twelfth of the mass of an atom of carbon 12