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A solution containing the complex formed between Bi(III) and thiourea has a molar absorptivity of 9.32x10^3 Lxcm^-1xmol^-1 at 470 nm. What is the absorbance of a 6.24 x10^-5 M solution of the complex in a 1.00-cm cell? What is the percent transmittance of the solution? What is the molarity of the complex in a solution that has the same absorbance, but was measured in a 5.00-cm cell?
What mass (in grams) of methanol (CH3OH) would need to be added to 250 grams of water to make an ideal solution with a boiling point of 104.3°C? (Kb for water is 0.512°C/m)
Calculate the counts s-1 which should be observed by a detector of 2 cm2 area placed 300 cm from a sample of l2 containing 2 millicuries of 128l.
1nbspassuming that gasolineis pure octane c8h18 and has a density of0.703 gml how many liters of co2nbspgas will be
What is the major product of the Friedel-Crafts alkylation of benzene with 1-butene and HF? What is its systematic IUPAC name?
Marble is composed of CaCO3. CaCO3 can be made from the reaction of CaO with CO2, How many pounds of CO2 are locked up in 50 Ib of marble
Explain what happens when the following chemicals are mixed in water as well as how would you write a balanced chemical equation for it showing what state each substance is in
The ratio of effusion of an unknown gas is measured to be 24.0ml/min. Under the same conditions, the rate of effusion of pure methane gas is 47.8ml/min. What is the unknown gas?
The mass of a golf ball is 45.9g . If it leaves the tee with a speed of 75.0m/s , what is its corresponding wavelength
Several compounds containing merely sulfur (S) and fluorine (F) are known. Three of them have the subsequent compositions. Explain how do these data illustrate the law of multiple proportions
Problem- According to a label on a soft drink, one serving provides 125 kcal. If all of this energy is used to lift 1.0 kg blocks, how many blocks can be lifted 5.0 meters? Enter answer in scientific notation
Determine the linear and volume shrinkages that occur during the drying and sintering of a gel containing 5 vol% solids if the dried gel and the sintered gel have a solids content (relative density) of 50% and 100%, respectively
Give the number of atoms of the specified element in a formula unit of each of the following compounds, and calculate the molecular (formula) mass
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