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consider the following mixtures. in each case either calculate the pH if the resulting solution is a buffer solution or state why the solution does not form a buffer.
a) 25.0 mL of 0.100 M CH3COOH and 25.0 mL of 0.200 M NaCH3COO.
b) 25.0 mL of 0.200 M CH3COOH and 25.0 mL of 0.100 M Ba(OH)2
c) 25.0 mL of 0.200 M CH3COOH and 25.0 mL of 0.100 M HCl
d) 25.0 mL of 0.200 M CH3COOH and 25.0 mL of o.100 M NaOH
In the haloform reaction, once the first alpha-hydrogen atom is replaced by a halogen atom, each successive hydrogen is more easily substituted
The value of ?Ho for the reaction below is -126 kJ. The amount of heat that is released by the reaction of 25.0 g of Na2O2 with water is ________kJ. 2Na2O2 (s) + 2 H2O (l) -> 4NaOH + O2 (g)
Describe the process design and application - Water and Wastewater Treatment
A solution of 120 mL of 0.150 M KOH is mixed with a solution of 260 mL of 0.200 M NiSO4. How many grams of the precipitate can be formed?
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature.
A 20.00mL sample of H3Y was titrated with 0.1000 M NaOH. The first equivalence point was reached after the addition of 14.98mL of base. The second equivalence point was reached after the addition of 30.03mL.
A brand of gasoline has a density of 0.737 at 25 degrees Celsius . How many grams of this gasoline would fill a 13.4 tank?
When ammonia is added to nickel ions in aqueous solution, the water molecules bound to the Ni2+ are replaced by ammonia molecules.
If the temperature of the water in your reaction bowl is 23 C, what is the temperature of the hydrogen gas.
if 100 ml of 3m hcl is spilled on a lab bench, what is the minimum mass od sodium bicarbonate that must be used to neutralized the acid?
If a sample of 6.022 g of CH4 is enclosed in a 30 L container at 402 K. What is its pressure in atmospheres?The volume is reduced to 12 L at constant temperature. What is the new pressure in atmospheres.
What mass of O2 is required for the complete combustion of 68.9 g of pentane, C5H12, to CO2 and H2O?
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