Biology
Biology, 21.01.2020 22:31, NeverEndingCycle

An investigator transferred 100 μl of a 0.2% bpb solution to 900 μl of water and measures an absorbance of 0.3 at 590 nm. she wants to prepare another 1 ml sample with the same absorbance using a 0.5% bpb solution. how should she prepare thiskample? 1. add 75 μしof the bpb solution to 925 μl water. 2. add 250 μしof the bpb solution to 750 μl water. 3. add 25 μしof the bpb solution to 975 μl water. 4. add 40 μしof the bpb solution to 960 μl water.

answer
Answers: 3

Other questions on the subject: Biology

image
Biology, 22.06.2019 05:10, Goldenstate32
What would happen if the tubing with the yellow band was placed in a beaker of distilled water?
Answers: 2
image
Biology, 22.06.2019 06:00, ajbrock1004
Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun
Answers: 1
image
Biology, 22.06.2019 07:30, hhernande0140
Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided
Answers: 2
image
Biology, 22.06.2019 13:00, minecrafter3882
Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.
Answers: 3
Do you know the correct answer?
An investigator transferred 100 μl of a 0.2% bpb solution to 900 μl of water and measures an absorba...

Questions in other subjects:

Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Mathematics, 18.09.2020 02:01
Konu
Physics, 18.09.2020 02:01