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What mass of sodium acetate, NaCH3COO, must be added to 1 L of 0.1 M acetic acid solution to make a buffer with a pH = 4.8?
A 10.0 mL aliquot of this weak acid solution was titrated with a 0.0498 M NaOH solution. The equivalence point was reached by adding 11.62 ml of NaOH from the buret. What is the molar mass of this unknown acid?
If 15.78 mL of a Na2S2O3 solution were required to titrate the iodine formed from 20.95 mL of a 0.0111 M KIO3 solution and excess KI, what is the molarity of the Na2S2O3 solution?
Aspirin (C9H8O4) is produced through the following reaction of salicylic acid (C7H6O3) and acetic anhydride (C4H6O3). C7H6O3(s) + C4H6O3-> C9H8O4(s) + HC2H3O2
Compare photons of X-ray and microwave radiation. Which has A) the longer wavelength, B) the greater frequency and C) the greater energy
Assume that methane is an ideal gas, the specific heat capacity of water to be constant and equal to 4.184 J/g/K over this temperature range, and the density of water to be 1.0 g/cm3. The combustion of methane is given byCH4 + 2 O2 ? CO2 + 2 H2O ?..
Electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is comparable with the spacing between the atoms
solid nahco3 is heated to 90degc. at equilibrium the total pressure of the gases produced is 0.545 atm. calculate
The rotational constant of CO is 1.931 cm-1. Evaluate the rotational partition function (without approximation) and plot its value as a function of temperature.
why is the symbol of the silicon-oxygen tetrahedron
a 70g piece of ice at 0c is added to a sample of water at 6c, all of the ice melts and the temp of the water decreases to 0c, how many grams of water were in the sample?
How much salicylic acid is required to produce 1.1 x 102 kg of aspirin assuming that all of the salicylic acid is converted to aspirin
what is the total molar concentration of ions in
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