What instrument would be used to measure the absorbance values of these solutions?

You are given 2 solutions: Solution X with a pH of 6.3 Solution Z with a pH of 8.4 Which solution, X or Z, has a higher concentration of H+?

In the Daphnia experiment what was the dependent variable?

Which solution that we tested could you use to achieve this change in heart rate?

A Daphnia has a resting heart rate of 200bpm. If you are looking for a 10% decrease in heart rate, what would the new target heart rate be?

When calibrating using the blank tube, Transmittance = 100%, what is the absorbance?

What detection reagent is being used in this experiment to detect reducing sugars?

How many mL of a 25% starch solution would you need to make 8mL of a 4% solution?   (Hint: C1V1=C2V2)

Which tube would have the highest concentration of the molecule being detected, Tube A or Tube F?

Convert 7.5 ml to µl.