Measuring a colored solution by using of Beer's law, when the concentration is c, the transmittance is T. If the concentration is changed to c/3 and other conditions remain unchanged, then T is ______ .when the concentration is 2c, T is ______
举一反三
- What does the professor mean when he says this A: Little is known about defining a substance as an air pollutant. B: The substance isn’t an air pollutant when there is a very little in the air. C: The substance can’t be judged to be an air pollutant only from its actual concentration level. D: The actual concentration level means little to peopl
- A buffer solution must contain a relatively large concentration of acid and a similar concentration of base.
- When working, one needs to ____(concentration) and not allow oneself to bedistracted.
- When working, one needs to ____and not allow oneself to be distracted.(concentration)
- You should ________ (concentration) on the road when you're driving.