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Question- What is the [CH3COO-]/[CH3COOH] ratio in an acetate buffer at pH 4.00? (The pKa for acetic acid is 4.76.)[CH3COO-]/[CH3COOH] =
This is not a problem given in the book, so I just need the full solution of deriving!
Consider two samples of liquid: one mole of water H2O and one mole of ethanol C2H5OH. The density of water is 1.0 g/mL, and the density of ethanol is 0.785 g/mL. Answer each of the following questions by selecting the correct choice.
The standard cell potential (E°cell) for the reaction below is +1.10 V. The cell potential for this reaction is __________ V when the concentration of [Cu2+] = 1.0 × 10-5 M and [Zn2+] = 3.5 M. Zn (s) + Cu2+ (aq) ?? Cu (s) + Zn2+ (aq)
Problem- Your current SOP for making a caustic solution for removing tartrates in your tanks calls for using 100 grams of NaOH in 10 Liters of water. You want to try using KOH to reduce the sodium in your wastewater. Part a) How many moles of NaOH..
Based on polarity, which compound do you expect to have a larger Rf value in a soluvent of medum polarity
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/°C, calculate the molar heat of combustion of liquid methanol .
Determine the mass of solid sodium formate of MW 68.0 must be combined to 150 mL of 0.66 mol/L
Calculate the energy difference (E) for the transition from n = 1 to n = 4 energy levels of hydrogen per 1 mol of H atoms.
The freezing point depression constant of water is -1.86 degrees C/m. If 7.50 g NaCl is dissolved in 45.0 g H2O, the freezing point is changed by -9.71 degrees C. Calculate the van't Hoff factor for NaCl.
that of the Ce(III)/Ce(IV) system is +1.44V, calculate the potential at the following points during the titration of 100 ml of 0.05M Fe(II) with 0.05M cerium (IV)
If a solid is not completely submerged in the water. Will this technique error increase, decrease, or have no effect on the reported density of the solid. Explain
What is the [Ag+] in a solution at equilibrium when ammonia gas is bubbled through a solution that is 0.023M in AgNO3 until the concentration of ammonia is 0.20M
When elemental carbon is burned in the open atmosphere, with plenty of oxygen gas present, the product is carbon dioxide.
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