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Question- a) What is the mathematical equation that relates absorbance and concentration? Define each symbol.
b) How are A and %T related mathematically?
c) What must be done to the asprin after it is dissolved before it can be analyzed spectrophotometrically?
Answer all three questions and provide required steps
Study The chemical reaction Fe + I2 = FeI2 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction
What was the concentration of the phosphoric acid?
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively.
2816 g sample of KHP required 29.68 ml of sodium hydroxide to reach the phenolphthalein point. calculate the molarity of the NaOh solution.
Here it is. Analysis of several samples of a material containing only iron and oxygen gave the following results. Could these samples be the same compound
Two acid-base reactions are given below. Of the three reaction arrows presented in each reaction, select the arrow (via the multiple choice circle before it) that best indicates the acid-base equilibrium position
Based on your knowledge of the mechanism involved in the nitration of methyl benzoate, what role(s) would you expect sulfuric acid to play in the nitration of benzaldehyde?
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
A mixture containing 40.0mL of 2.67*10-2 M Ca(NO3)2 and 60.0mL of 1.78*10-2 M Na2CO3 is prepared. Presume 100.0mL of solution is formed. A. Compute the molar concentrations of Ca2+ and CO3 2- originally added in the 100.0mL solution.
Write equations to show how a buffer made up of equimolar amounts of acetic acid, CH3COOHm and acetate, CH3COO-, would behave when (a) HCl is added and (b) NaOH is added.
How much heat (in kJ) is needed to convert 866 g of ice at -10 degress celsius to steam at 126 degrees Celsius? (The specific heats of ice and steam are 2.03 and 1.99 J/g x respectively)
write the formulas of all possible monobromination
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