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An industrial chemist studying bleaching and sterilizing prepares a hypochlorite buffer using 0.150 M HClO and 0.150 M NaClO. (Ka for HClO = 2.9x10^-8.) Find the pH of 1.00 L of the solution after 0.010 mol of NaOH has been added.
A weak acid with a starting concentration is 12.5% dissociated. a) Calculate the [H3O+], pH, [OH-] and pOH of the solution. ([OH-] = 1.1 × 10-13 M, pOH = 12.96
The two ions are mixed in a solution and you need to pick a chemical to add that would allow you to selectively remove one of them. Briefly describe the process you would use to separate the two ions.
what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield?
The value of Kf for cyclohexane is 20.0°C/m, and its normal freezing point is 6.6°C. A mass of 1.604 g of a waxy solid dissolved in 10.000 g of cyclohexane results in a freezing point of 4.4°C. Calculate the molar mass of the solid.
calculate the equilibrium partial pressures of all gases in the reaction and set up the expression for Kp in terms of equilibrium partial pressures but do NOT solve.
aluminum and oxygen react to form aluminum oxide. How many L of oxygen at 296K and 1.4 atm of pressure are necessary to form 3.25g of aluminum oxide.
A 2.9 m solution of methanol (CH3OH) in water has a density of 0.984 g/ml. What are the a) mass percent, b) molarity, and c) mole fraction of methanol in this solution?
The total molarity of acid and conjugate base = 0.100M. A boy adds 4.20 milliliters of a 0.370 M solution to the beaker. Determine how much will the pH change?
The dissociation pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water
Acid precipitation is the term generally used to describe rain or snow that is more acidic than normal. One cause of acid precipitation is the formation of sulfuric and nitric acids from various sulfur and nitrgoren oxides produced in volcanic eru..
In an excess amount of oxygen, how many grams of CO2 (g) are theoretically produced from the combustion of 901.0 g of glucose [C6H12O6 (s), molar mass of 180.2 g/mol]?
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