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1. Calculate the pH of this solution. 2. Calculate the pH after 0.10 mol of HCl has been added to the original solution. Assume no volume change on addition of HCl. 3. Calculate the pH after 0.20 mol of NaOH has been added to the original buffer solution. Assume no volume change on addition of NaOH.
What can we expect to be a few key differences between a jelly roll motif and an up and down barrel
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.725 V. If the silver-silver chloride electrode is replaced with a saturated calome..
By what factor will the kinetic energy change if the speed of the motorcycle is decreased to 33mph? (c) Where does the kinetic energy of the motorcycle go when the rider brakes to a stop?
Given that the ionizable H atoms are associated with carboxyl groups, draw a plausible structure for maleic acid.
If the pressure of chloroform vapor in a flask is 154 mm Hg at 25.0°C, and the density of the vapor is 1.25 g/L, what is the molar mass of chloroform?
The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?
Calculate Delta H for the process. Given u ={(2a/RT) - b}/Cp,m; with Cp,m = 38.4j/K.mol; a=3.60dm6 atm and b= 0.44 dm3.mol.
What mass of P4 is produced when 41.5 g of Ca3(PO4)2, 26.5 g of SiO2 and 7.80 g of C are reacted according to the equation: 2Ca3(PO4)2 + 6SiO2 + 10C ¼ P4 + 6CaSiO3 + 10C
What is the net redox reaction that occurs when Cu comes into contact with acidic K2Cr2O7? (b) What is the E cell for the reaction
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
What is the molarity of a solution prepared by dissolving 10.5 grams of NaF in enough water to produce 750 mL of solution?
Calculate the expected change in temperature for 1.7 g of NH4NO3 dissolved in 50.0 mL of H2O. Assume that the calorimeter absorbs no heat.
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