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Describe the preparation of one liter of 0.10 M ammonium cholride buffer, ph=9. starting with solid ammonium cholride pk=9.26 and 1 M NaOH. describe in detail steps to solve and use correct units please
At a temperature of 60 ºC, about 0.8 g CO2 can be dissolved in 100 g water. what would be the mass of CO2 which can be dissolved in 100 g water at 10 ºC?
The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)
How many kilojoules are needed to raise the temperature of 125 g of copper from 22 deg C to 325 deg C? My book shows copper at 0.385 j/g. Here is what I have done so far but I am not sure? 125 g x 303 deg C x 0.385 j = 14600. j 14600/1000 = Conver..
Calculate the number of grams of Fe formed when 0.100 kg Fe2O3 of reacts.
While using the Half Volume method, your solution was dark pink (you overshot the endpoint) and you added the unreacted acid to this solution
What is the pH of a solution made by titrating 30.0 mL of 0.10M acetic acid with 30.0 mL of 0.10 M KOH? Assume that the volumes of the solutions are additive.
What is the normal boiling point in of a solution prepared by dissolving 1.50g of aspirin (acetylsalicylic acid, ) in 75.00g of chloroform. The normal boiling point of chloroform is 61.7 degrees C , and for chloroform is 3.63 (degrees C*kg/mol).
Which of the following is the ground state electron configuration for germanium, Ge, by the Aufbau and Pauli Exclusion principles?
Discuss how to prepare the soltion starting from 0.100 M formic acid and 0.150 M sodium formate
Create an outline of no more than 10 steps describing how you will regenerate the column, load your sample and collect the hydronium ion released.
The stable allotropic form of phosphorus is P4, in which each P atom is bonded to three other P atoms. Draw a Lewis structure of this molecule and describe its geometry.
How many grams of barium phosphate are required to react with 52 grams of aluminum sulfite as a double displacement reaction. i am looking for step by step so i can understand this.
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