Quantitative methods 2.1.2 (r)

Question 1

what is a colorimeter?

Answer 1

measures the absorbance of a solution

Question 2

what is absorbance?

Answer 2

the amount of light absorbed by a solution

Question 3

the more concentrated a solution

Answer 3

the higher the absorbance

Question 4

how are serial dilutions formed?

Answer 4

add 10 cm3 of the initial solution to a test tube
add 5cm3 of distilled water to each other test tube

transfer 5cm3 of the initial test tube to the next test tube

repeat for all test tubes

Question 5

what is another form of quantitative analysis?

Answer 5

biosensors

Question 6

example of use of biosensor?

Answer 6

glucose biosensor