subject
Chemistry, 19.07.2019 21:10 LuchaPug

Astudent measures the absorbance of a sample of red dye #3 using a spectrophotometer. if the absorbance is measured as 0.468, what is the concentration of red dye #3 in the sample?
enter your answer in units of micromolar to three significant figures.
n the lab spectrophotometer, d = 1.00 cm. for red dye #3, ε = 7.96 x 104 m-1 cm-1.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 13:30
If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
Answers: 3
question
Chemistry, 22.06.2019 18:00
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
question
Chemistry, 22.06.2019 18:30
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
Answers: 2
question
Chemistry, 22.06.2019 20:30
What occurs when a cell engulfs large food particals
Answers: 1
You know the right answer?
Astudent measures the absorbance of a sample of red dye #3 using a spectrophotometer. if the absorba...
Questions
question
SAT, 31.03.2021 14:10
question
English, 31.03.2021 14:10
question
German, 31.03.2021 14:10
question
Computers and Technology, 31.03.2021 14:10
Questions on the website: 13722367