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Problem- If we wanted to prepare a buffer with boric acid and borate that had a final pH of 8.50, with a formal concentration of 0.10 M (i.e. 0.10 M = boric acid + borate), what concentrations of boric acid and borate do we need to use?
I am in rush anybody is there to provide me the answer in quick phase
Ozone is an air pollutant produced when nitrogen dioxide, NO2 , from automobile exhaust reactswith oxygen. The chemical equation for this reaction is NO2(g) + o2(g) ---> NO(g) + O3(g).
a container of an ideal gas originally at 30 degrees c is heated to a temperature of 317 c. by what factor does the
Pure Phosgene gas (COCl2), 0.0300 mol, was placed in a 1.60 L container. It was heated to 890 K as well as at equilibrium the pressure of CO was found to be 0.517 atm. Compute the equilibrium constant Kp for the reaction
In this experiment we reduced methylene blue with ascorbic acid using HCl as a catalyst. Given that the half reaction for the reduction of methylene blue is MB+(ox) +2H +2e -----> MBH2
A solution of vinegar has a 0.81M the manufacturer claims that the vinegar has 5% acetic acid by weight. the denisty is 1g/ml is the manufacturer correct
A certain reaction has an activation energy of 61.0 kJ/mol and a frequency factor of A1 = 2.00×10^12M^-1s^-1. What is the rate constant, k, of this reaction at 29.0 degrees celsius
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question if 1.4 m h2so4 is used to titrate a 300.0 ml solution of 1.76 m ammonia nh3 what volume of acid is required to
If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced. Express your answer using two significant figures. How many grams OF N2are produced in the detonation
a solution of ethanol c2h5oh in water is prepared by dissolving 77.0 ml of ethanol density 0.79 gcm3 in enough water
If 27.0 mL of 0.0200 M KMnO4 were required to titrate a 0.425 g sample of K3[Fe(C2O4)3] * 3H2O, what is the % purity of the complex
Explain why do we need potassium carbonate before distillation? I did an ethanol from sucrose lab as well as the TA had to put potassium carbonate in the mixture before we utilized fractional distillation to separate the 3 liquids
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