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what is the pH of laundry water in your washing machine that contains 0.5 mg/L of bleach (hypochlorous acid, HOCl). Assume equilibrium, pKa = 7.54, and that the following equation is valid:
HOCl ----> H + OCl
A 0.300-M solution of X (Mm = 171 g/mol) has a density of 1.096 g/ml. What is the molality of X in the solution?
Describe the two methods for determing the volume of the vapor In a Molar Mass of a Volatile Liquid experiment? Which method is likely to give more precise results? Why?
A polarization potential arises from a concentration difference between ions in the neighborhood of the electrode and those in the bulk of the electrolyte solution. Calculate the polarization potential in a copper electro-refining cell given the f..
Phenol and straight chain alcohol, The compound C6H5OH is a phelol, and C6H13OH is a straight chain alcohol.
What is the molar mass of the gas in a glass bulb with a volume of 2.50 L at a temperature of 22 degrees C and a pressure of 110 mm Hg. The gas weighed 505 mg.
The solubility of MX in a solution buffered to pH=2.00 is only 3.17 x 10^-8M. It turns out that HX is a weak acid. (Ka= 1.00 x 10^-15M)
In the reaction Cu(s) + 2AgNO3(aq) --> 2Ag(s) + Cu(NO3)2(aq), what number of grams of silver can be produced from 49.1 g of copper?
A tightly sealed 5.0 L flask contains argon at 69.0 deg. C and 781 mm Hg. The flask is heated until the pressure is doubled. What it the temperature of the gas.
Hydroiodic acid reduces chlorine to hydrochloric acid and iodine. Enter a balanced net ionic equation for the reaction.
Starting with Benzyl alcohol (PhCH2OH), 1-Proponal and any other organic or inorganic reagents outline a synthesis of 2-methyl-3-phenyl-2propen
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
A packet of the same soup sold in the U.S. would have the same nutritional information in kilocalories per cup. There are two cups in a pint. How many nutritional calories would be quoted per cup of prepared soup?
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