Explain what is the concentration of b in the sample

Reference no: EM13273976

A 10 M solution of compound "B" is measured in a 1.00 cm path length cuvette at a wavelength of 500 nm. The percentage of the light transmitted through the cell is 38%. a)What is the absorbance of this sample (A) at 500 nm? b)Assuming Beer's Law holds, what is the value of E for compound B at 500 nm? c)A sample of compound B having an unknown concentration is measured to have an absorbance of .90 in a 1.00 cm path length cell at 500 nm. What is the concentration of B in this sample, assuming Beer's law holds?

Reference no: EM13273976

Questions Cloud

Find the forces of the ground and the wall on the ladder : A ladder of negligible mass and length 5.00 m rests against a vertical wall. The ladder makes an angle of 53.1 with the ground. Find the forces of the ground and the wall on the ladder

What is the direction of the current : What is the direction of the current - by changing the magnetic field - center of a conducting wire loop in a horizontal plane with the north end of the magnet toward the loop.

Find the speed at which the bullet emerges from the block : A 5 g bullet moving with an initial speed of 530 m/s is fired into and passes through a 2 kg block. find the speed at which the bullet emerges from the block

Explain what is the name of the amino acid : 7.39 mmol of base was used when titrating 432 mg of a monoamine monocarboxylic amino acid from pH 0.8 to 12.0. What is the name of the amino acid

Explain what is the concentration of b in the sample : A sample of compound B having an unknown concentration is measured to have an absorbance of .90 in a 1.00 cm path length cell at 500 nm. What is the concentration of B in this sample, assuming Beer's law holds

Find the angular location of the first-order bright band : Diffraction grating produces its third-order bright band at an angle of 79.4 degrees for light of wavelength 731nm. Find the angular location of the first-order bright band

What is the relevant cost of new preferred stock : What is the relevant cost of new preferred stock? A. 10.00% B. 7.37% C. 10.53% D. 15.00% E. 7.00%

Explain mass of nacl required : PbO + NaCl + H2O ---> Pb(OH)Cl + NaOH How many grams of PbO and how many grams of NaCl would be required to produce 10.0g of Pb(OH)Cl? a) Mass of PbO required = ? b) Mass of NaCl required = ?

Explain what is the molecular formula of each compound : What is the molecular formula of each compound. (Type your answer using the format C6H12O6 for C6H12O6 and use the same order of the elements as in the empirical formulas.

User Account

All Pages