osmosis required practical

Cards (6)

  • What tool is used to cut potato cylinders and why?
    A cork borer, because it ensures the cylinders have the same diameter.
  • Which two tools are used to cut the cylinders to the same length?
    A ruler and a knife.
  • How do you record the mass of a potato cylinder?
    Using a top-pan balance.
  • Where are the potato cylinders placed for the experiment?
    In boiling tubes containing different concentrations of sugar solutions.
  • What steps must be taken after 24 hours in the sugar solution before measuring the change in mass?
    Remove the cylinders, pat them dry, and then measure the change in mass.
  • What is the procedure for preparing potato cylinders for the experiment?
    • Use a cork borer to cut cylinders.
    • Cut cylinders to the same length with a ruler and knife.
    • Record mass using a top-pan balance.
    • Place in boiling tubes with sugar solutions.
    • Leave for 24 hours, then remove and pat dry.