What ratio of CH3NH₂ to CH3NH3* is needed to prepare a pH 9.70 buffer? (Kb for CH3NH₂ is 4.4 x 10-4)

Q: 1) Water / n-Butanol Separation. A saturated liquid feed of 1000 mol/hr containing 38 mole % water…

A: Note-Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: An alloy sample weighing 5.00 g contains Cr.  The Cr is chemically converted to a K2Cr2O7 solution.…

A: Given  Cr mass in gm = 5.00 and Cr is chemically converted to a K2Cr2O7 solution. The solution…

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Q: (number) (unit) (number) (unit) grams Al,03 = moles H2S0, (number) (unit) (number) (unit)

A:

Q: Alcohol-water mixtures (MeOH-water) Do the numbers on the x-axis refer to mole fraction of methanol…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Combining 0.386 mol Fe₂O3 with excess carbon produced 13.2 g Fe. Fe₂O3 + 3C2Fe + 3 CO What is the…

A: Moles of Fe2O3 = 0.78 mol Amount of Fe produced = 13.2 g

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Q: A chemlstry graduate student Is glven 300. mL of a 1.50M trimethylamine ((CH,) N): solutlon.…

A: Henderson Hasselbalch Equation, pOH = pKb + log[C.A][Base] pOH = 14 - 11.1 = 2.9 2.9 =…

Q: 4. How many moles of potassium bromide (KBr) are produced when 5.25 moles of KI reacts with an…

A: This question is based on mole concept. Data given : Moles of KI = 5.25 moles Excess reactant  = Br2…

Q: 6. Consider the overall reaction: 2 NO (g) + Cl₂ (g) 2 NOCI (g) given the following initial rates of…

A: given - 1.190.500.502.391.000.509.5811To find = order of reaction, rate law, rate constant

Q: The Ksp of PbI2 is 1.4 × 10–8. Calculate the molar solubility of lead(II) iodide.

A: Since no solvent is given, take the solvent as water and calculate the solubility of PbI2 in water.…

Q: For the reaction 2C2H2(3) + 502(g) 4CO2(g) + 2H2O(1) - (AH in kilojoules per mole are O2(g), O;…

A: Write the reaction as follows: 2C2H2g+5O2g→4CO2g+2H2Ol Given, ∆Hf of C2H2=+226.7 kJ/mol∆Hf of…

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A:

Q: How ideal the sample is: sample pressure volume temperature (atm) (L) (°C) A 25.0 5.0 -5.0 |(Choose…

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Q: Consider a 50.0 mol sample of gas consisting of the following components by weight percent:…

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Q: Use the phase diagram in Fig. 5.4 to state (i) the solubility of B in A at 500 °C and (ii) the…

A: The phase diagram is given:

Q: nalysis of a rock sample shows that it contains 0.42 mg of 40Ar for every 1.00 mg of 40K. Assuming…

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Q: A saturated liquid feed of 1000 mol/hr containing 38 mole % water is to be fractionated at…

A: As per guidelines, we can only solve the first three parts of the question. Please repost the other…

Q: a. Calculate the molar solubility of AgBr in pure water. Kp for AgBr is 5.0 x 1013. b. Calculate the…

A: The solutions to the given questions are in the images below: IMAGE-1

Q: (а) Complete the last two columns of the table. Molecular Weight fraction wi * Mi i Number x * M,…

A: Consider polyethylene is synthesized with different polymers having different sizes. Provided Data:…