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What is the pH of a solution that contains an initial concentration of 0.080 M citric acid and .010 M citrate ions (Ka = 7.4 x 10-4)
calculate the concentration of the hydronium ion in a solution prepared by mixing equal volumes of .050 molar HOCL and .020 molar NaOCl
A 5.00 ml sample of vinegar(d=1.05g/ml and it contains acetic acid) is titrated with 17.70 ml of a 0.200M NaOH solution. What is the molarity, % acetic acid (w/w) and % acetic acid (w/v)?
What mass of helium gas is needed to pressurize a 120.0 L tank to 264 atm at 25°C?
Main group elements often attain a filled outer level (either eight electrons or two) by forming ions with the electron configuration of the nearest noble gas
Two components have boiling points of 130 C and 150 C. Estimate the number of theoretical plates needed to separate these substances in a fractional distillation.
if the rate of decomposition of N2O5 at a particular instant in a reaction vessel is 4.2 x 10^-7 M/s, what is the rate of appearance of NO2
These two solutions will be added together into a beaker to create one solution. Adding them together cause them to dilute each other. Calculated the new molarity of HX. Give your answer to four decimal places.
describe how will you prepare a supersaturated solution of potassium nitrate in water.
What is the difference between electron geometry and molecular geometry? How can knowing both assist in determining whether a molecule is polar or nonpolar?
The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
Find the equilibrium pH of a 10^-3 M NaCN solution by using graphical methods, try to find the equilibrium pH with the charge balance and separately with the proton condition.
What is the limiting reactant when equal masses of iron(III) nitrate and potassium phosphate react in solution?
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