Amount of Substance

• What is the definition of atomic mass?

  average mass of an element compared to 1/12 of carbon 12
• What is a mole?


  specific number of particles
• What's Avogadro's Constant?


  6.022 x 10^23
• What is the formula that involves: mass, Mr and moles?

  moles = mass / MR
• What is the standard units that involve concentration of a solution?

  moldm-3
• How is cm3 converted to dm3?

  divide by 1000
• What is concordant titres?

  titres within 0.1 cm3 of each other