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Identify the chemical components and the proportions necessary to achieve a buffer with the desired pH. Include relevant calculations in your answer.
which of the following statements about writing molecular complete and net ionic equations is false a net ionic
How many grams of CO2 can be produced by the reaction of 35.5 grams of C2H2 and 45.9 grams of O2? Please help with the balancing the equation
What is the wavenumber in cm-1 for the HOMO to LUMO transition predicted by PM3, What value of ? can you infer, that would bring the HMO method into agreement with the more advanced Extended Huckel method?
Calculate the concentrations of all species in a 1.66 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
CH4(g) + 2 O2 --> CO2(g) + H2O(g) suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen. what is the limiting reagnant?
advantages and disadvantages of consuming organic food
What is the pH of a dilute solution of weak acid (pKa 5.6) with a concentration of 0.09M conjugate acid and 0.30 M conjugate base. What would the concentration of conjugate acid and conjugate base be if you added 0.10 moles of HCL to 1 liter of th..
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 750. mm Hg. What is the partial pressure of each of the gases?
a solid cylinder 1m in diameter and 0.8m high is if uniform relative density 0.85 calculate the periodic time of small
How many grams of potassium nitrate are soluble in 100.0 g of water at 80degrees celcius?
Problem- You have 875 mL of an 0.51 M acetic acid solution. What volume (V) of 2.30 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.33. (The pKa of acetic acid is 4.76.)
What is the number of substituents that are equatorial for a stable (E)-1-chloro-3-methylcyclohexane when A for methyl is 1.74 and A for chloro is 0.50
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