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Problem- Spectroscopic data for three organic dyes, A, B, and C, are shown in the table. A solution containing a mixture of these three dyes in a 1.000-cm cuvet had absorbances of 0.4068 at 450 nm, 0.3017 at 480 nm and 0.4808 at 520 nm.
1) Find the concentrations of the three dyes in the solutions. For each solution, the zero is set with a blank.
Conclude the above question in detail
How many grams of Cu(OH)2 will precipitate when excess KOH solution is added to 63.0 mL of 0.610 M CuSO4 solution.
The reuseable booster rocket of the U.S space shuttle emplot a mixture of aluminum and ammonium perchlorate for fuel. A possible equation for this reaction is: 3Al(s)+ 3NH4ClO4(s) --> Al2O3(s) + AlCl3(s)+3NO3(g)+ H2O(g)
A shelf containing several chemicals (Salicylic acid, 4-(4-Hydroxyphenyl)butan-2-one {a.k.a. Raspberry Ketone} and 4-methylaniline) fell and the vials shattered.
A wastewater treatment plant produces 34, 500 pounds of secondary sludge each day. Wastewater flows into the plant at a rate of 5.6 MGD and has an influent BOD of 325 mg/L. How many pounds of BOD are destroyed by this plant each day
Use the Nutritional information on the food bag to calculate the calories per gram? How does this information compare to your information? How do you explain the discrepancy? How could you do the experiment differently to get a more accurate value..
The solubility of air in water is approximately 2.1 x 10^-3 M at 20 degrees C and 1.0 atm. Calculate the Henry's lay constant for air. Also, is the K(H) value of air approximately equal to the sum of the K(H) values of N2 and O2 because these two ..
What are the procedural difference between the preparation of tin oxide and magnesium oxide
Copper has two naturally occuring isotopes 63Cu (isotopic mass 62.9396 amu) and 65Cu (isotopic mass 64.9278 amu). If copper has an atomic mass of 63.546 amu, what is the percent abundance of each isotope
A sample of rock is found to have a 235U/207Pb ratio of 1 to 15. From its minerology, we know that it contained no lead at the time when it first crystallized. How old is the rock
A 9.4-g sample of powdered titanium was added to a graduated cylinder originally containing 6.8 mL of water. After addition of the titanium, the water level in the graduated cylinder was 8.9 mL. What is the density of titanium
how many grams of sodium formate hcoona must be dissolved in a 0.250 m solution of formic acid hcooh to make 500.0 ml
A large cylinder of helium filled at 2000 lb/in^2 had a small orifice through which helium escaped into a space at the rate of 6.4 mmol/hour. How long would it take for 10 mmol of CO toleak through a similar orifice at the same pressure
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