6. Solution to Chemistry Problem
Seller: Derkach
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Product description
Calculate the activity using the average activity coefficient taken from the reference book [M.], or (for dilute solutions) using the ionic strength. For an element composed of a hydrogen electrode in a solution of electrolyte C with a concentration of m3 mol/1000 g and a calomel half-cell with a concentration of m4 mol/1000 g, calculate the EMF and pH of the solution containing electrolyte C. Ignore the diffusion EMF. At 298 K, the standard potential of the calomel electrode (aCl- = 1) is 0.2812 V, and the ionic product of water is 1.008 * 10-14. Find the dissociation constants of weak electrolytes in the reference book [M.].
Option Substance m1 m2 C m3 m4 PH2, atm
A B
9 Cu CuSO4 0.1 0.5 HBr 0.95 4 0.2
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