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The acid dissociation constant for HClO2 is Ka = 1.1 x 10-2. You add 1.08 g of HClO2 to 427 ml of 0.0150 M NaClO2 solution. What are the equilibrium concentrations of H3O+, ClO2-, and HClO2? Also, what is the pH assuming ideal behavior? Take Kw as equal to 1.0 x 10-14.
Suppose your thermometer read consistently 1.0 o C lowered throughout both parts in the colligative properties lab. What effect would that have on your experimental value for the molar mass of your unknown solute?
Consider 1.70 mol of carbon monoxide and 3.00 mol of chlorine sealed in a 3.00 L container at 476 oC. The equilibrium constant, Kc, is 2.50 (in M-1) for CO(g) + Cl2(g) = COCl2(g), Calculate the equilibrium molar concentration of CO.
Calculate E when 770.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K.
The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 355g of pure Cu
a constant push of 250N is necessary to slide a crate weighing 400N along a 2.0-meter-long ramp. if the ramp rises 1.0m, what is the efficiency of the ramp.
Tell the number of hydrogens bonded to each carbon atom in (a) the anti-influenza agent oseltamivir, marketed as tamiflu, and (b) the platelet aggregation inhibitor clopidogrel, marketed as plavix. give the molecular formula of each.
The resulting equations are y=1.2550x + 0.0707 and y=-1.2550x + 1.3377. Determine the overall mol fraction of each ion, the n value, and the empirical formula of the iron complex
Health Canada recommends a an upper level intake of Na to be 2300 mg. How many ounces (oz) of the meat must be ingested for a person to meet this level?
A mixture of cyclopropane gas and oxygen is used as an anesthetic. Cyclopropane contains 85.7% C and 14.3% H by mass. At 50.0C and .984 atm pressure, 1.56 g cyclopropane has a volume of 1.00 L. What is the molecular formula of cyclopropane?
A gaseous mixture of 02, H2 and N2 has a total pressure of 1.50atm and contains 8.20g of each gas. Find the partial pressure of each gas in the mixture?
For the titration of 40.0 mL of 0.250 M acetic acid with 0.200 M sodium hydroxide, determine the pH when
A 25-g sample of an alloy at 92 degrees celsius is placed in 50 grams of water at 20 degrees celsius. If the final temperature reached by the alloy sample and water is 27 degrees celsius.
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