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Problem- You are asked to prepare a 1 L buffer solution with a pH of 6.0. Calculate the mols of a base and an acid (provide structure/ formula) needed to create this buffer.
I need help for above question. Show each steps for the above problem.
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4. (a) When ..
what is the molarity of a solution prepared by combining 125mL of 0.251 molar HCl with 250mL of pure water
Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 × 107 m-1).
2- deoxyglucose is an analogue of glucose that has shown promise as a anti-cancer drug. The molecule can be phosphorylated by hexokinase, and regulates the activity of hexokinase. However, 2-deoxyglucose is not a substrate for glucose-6-phosphate ..
ascorbic acid vitamin c is a diprotic acid having the formula h2c6h6o6. asample of a vitamin supplement was analyzed by
the daily dose of ampicllin for the treatment of an ear infection is 115mgkg of body weight. what is the daily dose for
Delta H of combustion of benzoic acid is 3.22 x e3 kJ/mol. 0.5 g of benzoic acid was burned in a calorimeter containing 1000.0 g of water. The change in temperature of the calorimeter was 3 degrees C. Calculate the heat capacity of the calorimeter..
consider separate 1.0-l samples of heg and uf6g both at 1.00 atm and containing the same number of moles. what ratio of
Question- How many grams of solid NaCN have to be added to 1.4 L of water to dissolve 0.16 mol of Fe(OH)3 in the form of Fe(CN)63. (For simplicity, ignore the reaction of CN? ion with water.)
Draw a Lewis structure of BF that satisfies the octet rule for both atoms
calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced.
Problem- Given that the initial rate constant is 0.0150s-1 at an initial temperature of 28 degrees C , what would the rate constant be at a temperature of 200 degree C for the same reaction described in Part A
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