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Problem- Calculate the pH and pOH of an aqueous solution that is 0.030 M in HCl (aq) and 0.090 M in HBr (aq) at 25 degrees C
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Demonstrate intermediate resonance structures leading to both methyl Meta-and para-nitrobenzoates. Based on these resonance structure, s which product should be favored and why
The value of Kp for the reaction below is 0.090 at 25 Celsius. Primarily, H2O(g) as well as Cl2(g) are combined at partial pressures of 1.00atm and 2.00 atm. H2O(g)+Cl2O(g) 2HOCl(g)
What is the OH- in a solution that has a pH of 4.92? Give your answer to 3 significant figures using E-notation (i.e., 1 number before and 2 after the decimal point)
many household cleaning products contain oxalic acid h2c2o4 a diprotic acid with the following dissociation constants
If an ion having 4+ charge and a mass of 49.9amu has 2 electrons with principle quantum number n=1, 8 electrons with n=2, and 10 electrons with n=3. Provide nas many of the properties for the ion as possible from the information given.
if a raindrop weighs 60. mg on average and 5.1 105 raindrops fall on a lawn every minute what mass in kg of rain falls
Calculate the approximate molarity of this solution from the volume, percent composition, and density.
A mixture of N2, O2, and CO2 has a total pressure of 791. torr. In this mixture the partial pressure of N2 is 115. torr and the partial pressure of O2 is 193. torr.
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.05g and its initial temperature is 20.9?C
(a) molarity of the solution resulting from dissolving 51.8 g of silver nitrate in enough water to give a final volume of 364 mL (b) volume in liters of 0.494 M manganese(II) sulfate that contains 53.1 g of solute
Compute the pH at the halfway point and at the equivalence point for each of the following titrations.
Calculate the concentration of Ca2 at V = 1/2 Ve. (d) Calculate the concentration of Ca2 at V = Ve. (e) Calculate the concentration of Ca2 at V = 1.1 Ve.
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