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A 100mL portion of 0.300 M acetic acid is being titrated with 0.200 M NaOH solution. Explain what is the [H+] of the solution after 50.0mL of the NaOH solution has been added? Assume the ionization constant of acetic acid is 1.8×10-5.
The experimenter at this time finds that the vessel and it contents weigh 10.5 g more than the vessel full of ethanol only. The density of the ethanol is .789g/cm^3. Explain what is the density of the object
The first ionization energy for Na is 495.9 kJ/mol. Compute the maximum wavelength of light in nm required to ionize a single Na atom.
Consider a saturated solution of calcium fluoride in 0.039 M potassium nitrate. Complete the following tasks, and then answer the question.
Based on the following chemical equation 2C6H6 + 15O2 12CO2 + 6H2O calculate the number of moles of CO2 that will be produced
Write a balanced equation for this reaction. How many grams of iron are required to make 2.50 L of aqueous solution containing 8.00 % Iron (III) chloride by mass. The density of the solution is 1.067g/mL
16.57 The complex [Ni(NH3)6]2+ has a ligand field splitting of 209 kJ·mol-1 and forms a purple solution. What is the wavelength and color of the absorbed light.
The pH of a lake that has a volume of 2.4*10^4 liters has a pH of 4.5. Calculate the mass of Calcium Carbonate (CaCO3) that must be added to the lake water in order
Sodium saccharin, is a nucleophile, but DMF is not. Explain why
Calculate the molar solubility of barium fluoride in water at 25 degrees celsius. The sp constant for BaF2 at this temperature is 1.0x10^-6.
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10^-4
assume that you piper twenty milliliters of 0.350m cacl2 into a fifty milliliter volumetric flask and add di water to
If energy obtained from burning 1.23 pounds of butane (feul value is 10.85 kcal/g) is used to heat 126.5 kg of water at an initial temperature of 20.7 degrees C, what is the final temperature
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