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1. Calculate the [H+] in a solution that is 0.1 M in NaF and 0.210 M in HF. (Ka= 7.2e-4)
2. How many litres of 1.5 M NaOH will be needed in the titration of 0.420 L of 4.66 M of phosphoric acid to achieve physiological pH of 7.40?
3. A solution of HCl with unknown concentration was titrated with 0.230 M NaOH. If a 105.0 ml sample of HCl requires exactly 8.00 mL of NaOH to reach equivalence point, what is the pH of HCl?
In acidic aqueous solution, water can be reduced to H2 gas, but the H+ ions can be reduced more easity. What is the voltage of the hydrogen ion reduction half-reaction, under standard conditions
what is the relationship between the dipole moment and the bond moment? how is it possible for a molecule to have bond
Suppose 50.0 mL of 0.250 M CoCl2 solution is added to 25.0 mL of 0.350 M NiCl2 solution. Calculate the concentration, in moles per liter, of each of the ions present after mixing. Assume that the volumes are additive.
for an ideal diatomic gas which of the following properties will be in error if the symmetry number in the rotational
Write net Bronsted equations and determine the equilibrium constants for the acid-base reactions that occur when aqueous solutions of the following are mixed.
The solubility of calcium carbonate (CaCO3) is 9.3 multiplied by 10-3 g/L. Calculate the solubility product of this compound.
Assume that 100.0 mL of 0.200 M of CsOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The solutions start out at 22.50 degrees celcius, and the final temperature after reaction is 24.28 degrees celcius.
a 1.00 ml sample of dilute acetic acid required 23.4 ml of 0.10 m sodium hydroxide solution to titrate the sample to a
Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other has carbon tetrachloride as the solvent. Determine that concentration and boiling point.
Question- A student mixes 50.0 mL of 1.00 M Ba(OH)2 with 78.6 mL of 0.500 M H2SO4. Calculate the mass of BaSO4 formed. Calculate the pH of the mixed solution
compute the structural analysis of the protein.1.nbspwhat order will the following proteins elute from a caution
a 250. ml sample of 0.0328m hcl is partially neutralized by the addition of 100. ml of 0.0245m naoh. find the
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