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A boy wants to prepare a 250mL of a buffer that is pH=4.50. Beginning with 100mL of 0.12 mol/L CH3COOH and a supply of 0.10mol/L sodium hydroxide, explain how it can be done. How much 0.20mol/L sodium hydroxide should be combined to this buffer to raise the pH to 5.1? If the same amount of 0.20 mol/L sodium hydroxide were combined to 250mL of deionized H2O, Determine New pH?
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
Explain would the calculated molarity of NaOH be too high or too low If the KHP weighed in your experiment today was contaminated with some unknown inert substance.
Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.
Determine the boiling point of a 1.5m aqueous solution of fructose.
Dalton law of partial pressure - The partial pressure of oxygen is maintained at 0.20 atm at this depth
What is the kinetic energy of this soccer baal? Mass of soccer ball is= 0.38 kg and fits this description out of these four given cations ?
Determine the work done by the evolution of H 2 in the subsequent reaction on the surrounding atmosphere with1atm pressure and at 25 degree celsius temperature and express your answer in Joule
Calculate the PH of this solution.
Compute the final pressure in the tank if nothing else is altered in the surroundings. (The two gases do not react)
Calculate concentration of NaClO solution from that equation and calculate How many grams of this nuclide in a sample of 4.00 g will remain after 112 years?
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