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In an alternate procedure a 0.50 M nickelous nitrate solution was utilized to prepare the standard solutions for a Beer's Law plot. If a 10.0mL volumetric flask is utilized to prepare the dilution what volume of 0.50 M nickelous nitrate is needed to prepare a 0.15 M standard solution?
Describe how you will prepare a H2PO4-/HPO42- buffer using solid sodium dihydrogen phosphate and sodium hydrogen phosphate (pH 7.4, 500 mL 0.40M each). How much solid is needed to prepare each solution? How much volume of each of the solutions sho..
What are the methods of Atomic absorption to detect unknown solution
A solution that is 6.5x10^-2 M in potassium propionate (C2H5COOK or KC3H5O2) and 9.0x10^-2 M in propionic acid (C2H5COOH or HC3H5O2)
What is DeltaH°for the hydrolysis of atp to adp and pi ? Assume that the heat capacity of the system is 418 j/kelvin
At 0.500 atm and 15.0 degrees celcius a sample of gas occupies 120 L. What volume does sample gas occupy at 0.850 atm and 10.0 degrees celcius?
In water, every sulfuric acid molecule transfers H+ to water and becomes an HSO4 - ion. Some HSO4 - ions give off another H+ to form SO4 -2 ions. Which statement is true?
The infrared spectrum of the xanthene reduction product contains evidence that demonstrates that conjugation of the rings is still
calculate the amount of energy in kilojoules needed to change 135 of water ice at 10 to steam at 125 . .... how many
Magnesium oxide decomposes into magnesium and oxygen. If 16.12 of magnesium oxide decomposes to form 9.72 of magnesium, what mass of oxygen gas is also released in the reaction
A flask contains 0.390 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
Hydrogenation of a liquid triacylglycerol converts: a. the ester group to a ketone group, b. the ester group to a carboxylic group
How would you prepare 3-methylheptane from either, butane, 1-bromobutane, or 2-bromobutane?
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