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If Sodium hypochlorite NaOCl is the active ingredient in household bleach. Define what is the concentration of hypochorite ion if 20.00 mL of bleach needs 28.30 mL of 0.500 M HCl to reach the equivalence point?
Draw Newman projections along the C3-C4 bond to show the most stable and least stable conformations of 3-ethyl-2,4,4-trimethylheptane.
A 25.0-mL sample of potassium chloride solution was found to have a mass of 25.115g. When the solution was heated to dryness, the mass of the solute residue was 0.252g. Calculate the (a)mass/mass % concentration and (b) molar concentration.
calculate the approximate volume of a 0.600 mol sample of gas at 15.0 degrees Celcius and a pressure of 1.10 atm.
A copper zincs voltaic cell is constructed using 100 ml solutions if 1 M solutions of copper sulfate and zincs sulfate with a sodium sulfate salt Bruges.
The reuseable booster rockets of the U.S space shuttle emmploy a mixture of aluminum and ammonium perchlorate for fuel. A possible equation for this reaction is: 3AL(s)+3NH3ClO4(s) -> AL2O3(s) + AlCl3(s)+ 3No(g)+ 6H2O(g)
sodium hypiodite is disolved in water to make 1.25L of solution. the solution pH is 11.32. What is the Kb value of the hypoiodite ion?
How much heat is required to warm 211 g of ice from -45.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
methylamine (CH3NH2 Kb=3.6x10^-4) with 25.0 mL of 0.10 M benzoic acid (C6H5COOH Ka=6.3x10^-5), will the resulting solution be acidic, basic or neutral?
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
In an experiment 0.4000moles of hydrogen gas and 0.400moles of iodine vapor are mixed in a 1.00L vessel and allowed to come to equilibrium. if Kc=49, what is the equilibrium concentration of the only product, hydrogen iodide
calculate ground state energy, 1st excited energy level, and wavelenght of an electronic transition between the 2 lowest energy states for an electron
6NaOH + 2Al -> 2Na3AlO3 + 3H2 What volume of hydrogen gas (measured at STP) would result from reacting 75.0g of sodium hydroxide with 50.0g of aluminum?
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