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The pH of a hypoiodous acid/sodium hypoiodite buffer in which the concentration of the weak acid component is 0.280 M and the concentration of the conjugate base is 0.110 M is 10.23. Suppose 0.733 g of solid NaOH are added to 100 mL of this buffer solution. What is the pH after the addition? Clickhere for the table of Ionization Constants of Weak Acids.
Chlorides are at the corners of a primitive cube with a cesium in the middle. Using the Cs atom as the origin calculate the first three terms of the Madelung constant for a CsCl crystal. Recall that M is cal calculated in terms of the ionic "bond ..
Compare and contrast visual and non-visual means of identifying a reaction and the importance of each
Suppose 1.07 g of FeCl3 is placed in a 75.0 mL volumetric flask, water is added, the mixture is shaken to dissolve the solid, and then water is added to the calibration mark of the flask. Calculate the molarity of each ion present in the solution.
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
Use a spreadsheet to calculate the composition of dry air at 5400K and 1 bar. Take the initial composition as .78 mol N2, .21 mol O2 and .01 mol Ar. Neglect the ionization of NO.
If 0.340 mol of a nonvolatile nonelectrolyte are dissolved in 3.00 mol of water, what is the vapor pressure of the resulting solution? (The vapor pressure of pure water is 23.8 torr at 25.0 °C.)
a cylindrical vessel with rigid adiabatic walls is separated into 2 parts by a frictionless adiabatic piston. each part
a solid block of exactly 100.0 cm3 has a mass of 153.6g. Determine its density. will the block sink or float in water
In the reaction of 12.0 g of 1-butanol MW=76 g/mol with 16.0g of NABR MW= 103 g/mol which excess acid produces 12.5 of the 1 bromobutane MW 137 g/mol?. Explain what is the % yield for the reaction
Generally, explain how would the size of a compound affect its ability to pass through the dialysis membrane?
A 782 mL gas sample at STP is compressed to a volume of 131 mL, and the temperature is increased to 22 ? C. What is the new pressure of the gas in Pa? Answer in units of Pa
If 0.500 L of aqueous solution with a density of 1.05 g/ml contains 18.3 ug (micrograms) of poison, express the concentration in ppm and ppb.
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