Enter answer in the provided box. Calculate the emf of the following concentration cell at 25°C:...
Enter answer in the provided box. Calculate the emf of the following concentration cell at 25°C: Cu(s) / Cu2+(0.090 M) // Cu2+(1.559 M) / Cu(s)
Enter answer in the provided box. Calculate the emf of the following concentration cell at 25°C: Cu(s) / Cu²+(0.071 M) // Cu²+(1.038 M) / Cu(s) V
Enter your answer in the provided box. Calculate the emf of the following concentration cell: Mg(s) | Mg2+(0.33 M) || Mg2+(0.68 M) | Mg(s) =_____V
Enter your answer in the provided box. Calculate the emf of the following concentration cell: Mg(s)| Mg2 (0.26 M)I| Mg2*(0.82 M) | Mg(s)
Enter your answer in the provided box. Calculate the emf of the following concentration cell: Mg(s) | Mg2+(0.22 M) || Mg2+(0.57 M) | Mg(s) V
Enter your answer in the provided box. What is the emf of a cell consisting of a Pb2+ / Pb half-cell and a Pt / H+ / H2 half-cell if [Pb2+] = 0.58 M, [H+] = 0.047 M and PH2 = 1.0 atm ? =_____V
Enter your answer in the provided box. What is the emf of a cell consisting of a Pb2+ / Pb half-cell and a Pt/H/H, half-cell if [Pb2+] = 0.99 M, [H] = 0.055 M and PH, = 1.0 atm ? 0.083
Enter your answer in the provided box. What is the emf of a cell consisting of a Pb^2+/Pb half-cell and a Pt/H^+/H_2 half-cell if [Pb^2+] = 0.29 M, [H^+] = 0.062 M and P_H_2 = 1.0 atm?
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 ∘C. The concentration of Cu2+ in one of the half-cells is 1.6×10−3 M . What is the concentration of Cu2+ in the other half-cell? (Assume the concentration in the unknown cell to be the lower of the two concentrations.) Express your answer using two significant figures.
Enter your answer in the provided box. Calculate the pH at 25 ° C of a 0.045 M solution of a weak acid that has Ka = 1.5 × 10−5.