0 Calculate the ionic strength for a solution containing 0.01SM NaCl and 0.0ZM CaSO Estimate the activity coefficients for each of the ions (break it down to lons first).
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A: To explain: Why is understanding reaction rates significant?
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Q: Calculate %Na2CO3 in the sample.
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A: To explain: How many valence electrons does hydrogen need to complete its shell.
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Q: 4.00 mL of 6.00 x 10-3 M Fe(NO3)3 (6.00 times 10 to the minus 3rd power M F e (NO3)3) is added to 8....
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Q: 7.00 mL of 5.00 x 10-3 M Fe(NO3)3 (5.00 times 10 to the minus 3rd power M F e (NO3)3) is added to 7....
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- A solution of PbCl2 has 0.018 moles of Cl- and 0.0089 moles of Pb2+. Its Ksp = 2.88x10-6 (based on molarities), and its ionic strength = 0.027. a) What are the activity coefficients of Pb2+ and Cl-? b) Use activities of ions instead of molarities to calculate a value for the thermodynamic solubility product of the solution.The mean ionic activity coefficient for 0.1 M H2SO4 is 0.265. Calculate the activity of H2SO4if the mean ionic activity coefficient ,? ± of KIO4 in the saturated solution 0.85, what Ksp of KIO4? the information is above in the paper.
- An equimolar solution of ammonium sulfate, sodium chloride, and magnesium nitrate has an ionic strength of 0.15M. What is molar concentration of the solution wiht respect to each solute? a. 0.010 b. 0.015 c. 0.020 d. 0.025Using the Raoult's law standard state, estimate the activity coefficient of CHCl3 in a solution with χ(CHCl3) = 0.8.From the given information in the table calculate for both titration1 and 2: 1)moles of thiosulphate titrated (mols) 2) moles of hypochlorite (mols) 3) mass of sodium hypochlorite (g) 4) wt% of sodium hypochlorite
- Consider a binary solution for which the vapor pressure (in torr) of one of the components (say component 1) is given empirically by Calculate the activity and the activity coefficient of component 1 when x1 = 0.25 based on (a) a solvent standard state; (b) a solute standard state.Calculate the mean ionic activity coefficient of a 0.00500 M ZnCl2 solution at 25°C.The solution is 0.20 M MgSO4 and 0.70 M NaCl. Solid Na2SO4 is added to the solution so that the total ionic strength of the solution is 3.3. What is the Na2SO4 concentration of the solution then. The change in solution volume is not taken into account when adding reagents.
- Using simple Debye-Huckel equation, estimate the following activity coefficients: SO42- at µ = 0.025a) What is the biochemical standard state? Why are these conditions needed to study biological reactions? ( b. How do you define an ideal solution? Why ionic solutions do not are they ever ideal? Explain your answer ( vs. Why are some poorly soluble salts more soluble in solutions ionic than in pure water? d. Consider the dissolution of PbCl2 in water. i) How does the solubility of lead chloride would be affected by the addition of 1M NaCl. ii) Would you expect the addition of 1M KNO3— to have an impact on the solubility of lead chloride? Why? e. For the following chemical reaction A + BC, the equilibrium constant is 4.34x10-4. Will this reaction favor the products or the reactants? If the reaction quotient is measured to be 9.87, in which direction will the reaction proceed? (forward or backward)Estimate the mean ionic activity coefficient and activity of a solution that is 0.015 mol kg-1 MgF2(aq) and 0.025 mol kg-1 NaCI(aq).