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Sodium hypochlorite, NaClO, is the active ingredient in bleaches. Calculate the ratio of the concentrations of ClO and HClO in a bleach soltuion having a pH adjusted to a 6.50 by the use of a strong acid or strong base.
the pressure of a sample of gas at 10.0 c increases from 700. mm hg to 900. mm hg. what is the new
If the ka for the acid phenol (call it HP) is 1.3 x 10-10, what is the pka of the phenolate ion (P-)
Exactly 100 mL of 0.15 M HNO2 is titrated with a 0.15 M NaOH solution. What is the pH at the equivalence point. The Kb of NO2- is equal to 2.2 x 10-11.
If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution?
how many metric tons of 5-s coal would be needed to yield the h2so4 required to produce a 3.0-cm rainfall of ph 2.00
What is the pH of the benzoic acid solution prior to adding sodium benzoate? Express answer using 3 significant figures. 2. How many grams of sodium benzoate should be added to prepare the buffer?
Hydrogen peroxide undergoes a first-order decomposition to water and O2 in aqueous solution. The rate constant at 25 °C is 7.40 * 10-4 s-1. Calculate the volume of O2 obtained from the decomposition of 1.00 mol H2O2 at 25 °C and 740 mmHg after 20...
Chlorous acid, HClO2, has a dissociation constant of Ka = 1.20 * 10^(-2). Assume that you have a 0.0755 m solution of this acid and calculate the concentration of H+ cations in the solution and degree of dissociation for a solution of the acid
Alkynes can be hydrated in the presence of acid and HgSO4, by electrophilic addition of a molecule of water to the triple bond.
30.0 mL of 0.150 M CH3CO2H are titrated with 0.150 M NaOH. What is the pH of the solution after 15.0 mL of NaOH has been added. The Ka for acetic acid is 1.80 x 10-5
Nitartion of ferrocene not possible why, Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even though nitration is an electrophilic aromatic substitution reaction. Explain.
A radioactive sample contains 1.30g of an isotope with a half-life of 3.5 days. What mass of the isotope will remain after 5.6 days? (Assume no excretion of the nuclide from the body.)
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