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you wish to make up a 0.1M buffer solution at a pH of 8.0. you have molecule A, which is a base that has a pKb=5.9 and FW= 121.1g/mole 1) what mass of A do you need? 2) what type of reagent do u need to add? 3) what ratio of the base to its conjugate acid is present in the final buffer?
Assuming an Sn1 reaction mechanism, predict the major organic product(s) of (s)-3,3-dimethy-2-butanol reacted with HCl.
for the reaction X(g) + 3Y(g) equilibrium 3Z(g). Kp=2.08x10^-2 at a temperature of 277 degrees Celsius. Calculate the value of Kc
We are asked to write the balanced equation when glucose is reacted with ammonium chloride + epichlorohydrin + isopropyl alcohol. What is the ultimate end product? Hopefully it is supposed to be some form of a quaternary ammonium radical attached to ..
Given the following: 3648 L of wine, pH is 3.24, FSO2 is 24mg/L, TSO2 is 89 mg/L, alcohol is 12.6%. You want to maintain a MSO2 of at least 0.8 mg/L. How many mL of 95% pure SO2 liquid that has a density of 1.46 g/ml would you add
Chlorine gas can be produced commercially by passing an electric current through a concentrated solution of sodium chloride (brine).
Find the volumes required of Catechol and Ethanol to create a mixture of 50uM Catechol and 50uM Ethanol. Both solutions are 5mM stock
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron
The solid and toluene together weigh 58.34 g. The density of toluene at the temperature of the experiment is 0.864 g/mL. What is the density of the solid?
Write contributing (important) resonance structures for each of the following compounds and predict their relative C=O vibrational frequencies based on the importance of the contributing resonance structures. List in them order from highest to low..
Calculate the volume of 1M solution of HCL needed for 1 unit shift of the pH of the following solutions: A. 100 mL of 0.01 M solution weak acid (pKa = 6) and 0.05 M of its sodium salt
Calculate the molarity of a solution prepared by dissolving 78.6 g of KF in enough water to produce 225 mL of solution.
If a mixture of solid nickel(II) oxide and 0.11M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilibrium concentration of CO2
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