Calculating Water Potential in Sucrose Solutions

What was the initial weight of each potato core cube recorded for?

• To calculate the water potential

• To observe the change in mass

• To measure the sucrose concentration

• To determine the temperature

How long did the potato cubes remain in the sucrose solutions?

• 12 hours

• 24 hours

• 48 hours

• 72 hours

What was the temperature maintained during the experiment?

• 30 degrees Celsius

• 25 degrees Celsius

• 23 degrees Celsius

• 20 degrees Celsius

What was observed when a potato cube was placed in a solution with no sucrose?

• The mass decreased

• The mass remained the same

• The cube dissolved

• The mass increased

What happened to the mass of the potato cube in a high sucrose concentration solution?

• The mass increased

• The mass decreased

• The cube dissolved

• The mass remained the same

At what sucrose concentration did the potato cube show no net change in mass?

• 0.55 molar

• 0.44 molar

• 0.33 molar

• 0.22 molar

What is the ionization constant (i) for sucrose?

• 2

• 1

• 0

• 3

What is the universal gas constant (R) value used in the calculation?

• 0.0831

• 0.0821

• 0.0851

• 0.0841

What temperature in Kelvin was used in the water potential calculation?

• 323 K

• 273 K

• 296 K

• 310 K

What was the final calculated water potential of the potato core cubes?

• -10.8 bars

• -13.8 bars

• -11.8 bars

• -12.8 bars