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Chlorine is used to disinfect swimming pools. the accepted concentration for this purpose is 1.00 ppm chlorine, or 1.00 g if chlorine per million grams of water. calculate th volume of a chlorine solution ( in milliliters) a homeowner should add to her swimming pool if the solution contains 8.00 percent chlorine by mas and there are 5.63 x 10^4 gallons of water in the pool (1 gal = 3.79; density of liquids= 1.00 g/mL)
Describe how the results from this control experiment would be incorporated into the data analysis to the correct for this error.
A 100.0 g sample of a metal M is burned in air to produce 103.7 g of its oxide with the formula M2O. What is the atomic mass of the metal?
A brick consisting of pure metal measures 4.00 inches x 5.00 inches x 3.00 inches and weighs 7.020 kg. Using density, identify the metal in the brick.
Calculate the specific heat was? Would your computed specific heat be , too low, too high or not affected if you had not dried the metal before placing it into the Styrofoam cup. Explain your answer?
calculate which reactant is the limiting reactant. In other words, the formula is CuSO4+ 5H20. Given the limiting reactant above, how much copper, in grams, should be produced by this reaction.
Calculate the mass ( kg ) of the solute C4H8O and the volume ( mL ) of the solvent C6H6 that should be combined to generate 6450 g of a solution that is 2.07 m C4H8O.
using henderson hasselbalch calculate the ph of .5 L of 2.0M solution of nitrous acid, HNO2 that also contains 140g of nano2 (MM=70g/mol)
Compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
Environmental magazine about the success of global initiatives in solving environmental concerns, using the Montreal Protocol and ozone depletion as a focus.
alcohol is often used to sterilize medical instruments or patch of skin
The stack gas contains C02 at a partial pressure of 80 mm Hg and no CO,O2, methane or ethane. Calculate the mole fraction of methane in the fuel and the dew point temperature of the stack gas.
Write the formula and calculate the molar mass of KHP (KHP is not potassium hydrogen phosphorus). Q2 When conducting this experiment, why is it necessary to standardize your NaOH solution before titrating your unknown acid?
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