Find the equilibrium concentration of aluminum ions in pure water at 25 degree C caused by...
(15)10. Find the equilibrium pH value if pper ion (Cu2+) concentration in water is 10 mg/L. The copper ion is dissol ved from Cu(OH)2
Calculate the equilibrium concentration of dissolved oxygen in 25°C water at sea level (p = 1.00 atm), and again at 4000 m elevation in 5°C water. [Use the exponential p vs. z equation provided in the lectures, not the empirical formula given in the textbook.] P(z)=P(O)exp(-z/H)
1- Calculating [H+] for Pure Water: In a certain acidic solution at 25 ∘C, [H+] is 100 times greater than [OH −]. What is the value for [OH −] for the solution? In a certain acidic solution at 25 , [] is 100 times greater than [ ]. What is the value for [ ] for the solution? 1.0×10−8 M 1.0×10−7 M 1.0×10−6 M 1.0×10−2 M 1.0×10−9 M 2. ± Acid-Base Relationships in Water: Water ionizes by the equation H2O(l)⇌H+(aq)+OH−(aq)The...
Calculate the solubility at 25 degree C of Co(OH)_2 in pure water and in a 0,0020 M CoCl_2 solution. K_sp is 5.92 times 10^-15. Round both of your answers to2 significant digits. Solubility in pure water: _______ Solubility in 0.00020 M CoCl_2 solution: ________
26 Calculate the equilibrium concentration of dissolved oxygen in 15°C water at 1 atm, and again at 2,000 m elevation. Suppose the gas above the soda in a bottle of soft drink is pure CO2 at a pressure of 2 atm. Calculate (CO2) at 25°C. 27
Calculate the following: a.) The molar concentration of calcium ions and carbonate ions in pure water. b.) The molar solubility of calcium carbonate in pure water. c.) The mass, in mg, of calcium carbonate (MM = 100 g/mol) you would need to dissolve in 1 L of pure water to make a saturated solution.
1. (15 pts) Use Ksp value (1E-32) and solubility reaction for aluminum hydroxide, AI(OH)3, found in Table 2.3 (p.62). pH is fixed at 6.0. What is the solubility of aluminum hydroxide? Report your result as the concentration of the aluminum metal cation in M units. Assume an infinite solid. Explain briefly how your result does or does not match the curves shown in the figure in class notes (see the graph for amorphous aluminum hydroxide solubility as a function of...
Using the appropriate Ksp values, find the concentration of NO3− ions in the solution at equilibrium after 650 mL of 0.45 M aqueous Cu(NO3)2 solution has been mixed with 350 mL of 0.40 M aqueous KOH solution. (Enter in M.) (Ksp for Cu(OH)2 is 2.6x10-19). Now find the concentration of OH− ions in this solution at equilibrium. (Enter in M.)
Using the appropriate Ksp values, find the concentration of NO3- ions in the solution at equilibrium after 600 mL of 0.45 M aqueous Cu(NO3)2 solution has been mixed with 400 mL of 0.25 M aqueous KOH solution. (Enter in M.) (Ksp for Cu(OH)2 is 2.6x10-19). Submit Answer Tries 0/99 Now find the concentration of OH ions in this solution at equilibrium. (Enter in M.) Submit Answer Tries 0/99
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m (atmospheric pressure = 0.62 atm)? Assume T-20 °C and K 0.62 atm)? Assume T-20 °C and Kn730 atm-L/mol. What would the concentration be with the same temperature at sea level? Explain the significance of this equation for a) developing and b) developed countries: 1 - (P)(A)(T)