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Explain what volume in liters of 0.94 M KOH solution must be added to a 0.090 L solution containing 9.9 g of glutamic acid hydrochloride Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95 to get to pH 9.80?
When the temperature is 100 °C, find the mole fraction of benzene in the vapor and liquid phases and the ratio of total moles in vapor to total moles in liquid.
Calculate the pH of a solution formed by mixing 10.0 mL of 0.100 M HBr with 20.0 mL of 0.200 M HCl.
what happens when phenolpropane sodium bromide and sulfuric acid are refluxed, distilled then seperated
If the average human body discharges 925.0g CO2 per day, how many moles of NaOHare needed each day for each person in the spacecraft?( 42.04 mol NaOH)
a beaker containing 250g of water is heated from 23 degrees C to 100 degrees C. what is the heat gain in calories?
Explain what is the mass of the solid NH4Cl formed when 80.0 g of NH3 are mixed with an equal mass of HCl?
if you burn 33.7g of hydrogen and produce 301 g of water, how much oxygen reacted?
calculate the molarity of each of the following solutions: a) .500 mol of sucrose in .200 L of a sucrose solution. b) 30.4g of LiBr in 350 mL of a LiBr solution. c) 73.0 g of HCl in 2.00 L of a HCl solution.
Calculate the sample of concentration. Is this an appropriate concentration for 1H NMR, 13C NMR or both?
While preparing oxalate buffer technician by mistake added 0.1 M of CaC2O4. (pKsp = 7.9) to 0.2 M solution of oxalic acid
When the reaction 2 H2S g ~ 2H2 + S2 is carried out at 1065 degrees celcius, Kp = 0.012. Starting with pure H2S at 1065degrees, what must the initial pressure of H2S be if the equilbrated mixture at this temperature is to contain 0.250 atm of H2 (..
How many microliters of 1.000 M NaOH solution must be added to 25.00 mL of a 0.1000 M solution of lactic acid HC3H5O3 to produce a buffer with pH = 3.75
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