In photography, unexposed silverbromide is removed from film bysoaking the film in a solution ofsodium thiosulfate, Na,S,Os Silverion forms a soluble complex withthiosulfate ion, 5,0,2, that has theformula Ag(S,Os), and formationof the complex causes the AgBrinthe film to dissolve. The Ag(5:03)complex has K-2.0x 1013 Howmany grams of AgBr (K-5.4 x1013) will dissolve in 243 mL of 1.55MNa2S2O3 solution?mass of AgBr =ih

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Answered: In photography, unexposed silver…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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g) A series of reduction experiments was carried out at a given temperature. The results are summarized in Table 2 below. Determine the rate law expression for this reaction. [ 12 Table 2-Experimental rate measurements [R] (mol L³) [Methan-1-ol] (mol L¹) Rate (mol L¹s¹) 0.100 0.100 2.40 x 10² 0.100 0.300 7.20x10² 0.300 0.100 2.16 x 10¹ h) Below are two proposed reaction mechanisms for this reaction. Explain which reaction mechanism is correct. [ (Let Box methan-1-ol; BA= methanal; B = methanoic acid, R = reducing agent) Mechanism 1 Mechanism 2 BH+R BA (slow) BH+R BA (fast) BA+RBOH (fast) BA+R BON (slow)
.2+ In aqueous solution the Ni ion forms a complex with four cyanide anions. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex. Under that, write the balanced chemical equation for the first step in the formation of the complex. K₁ = ☐ Write the First Step: First Step: ロ→ロ ☑ ك
"the complex ion Cu(NH3)4^2+ is formed in a solution made of .0500 M Cu(NO3)2 and .500 M NH3. What are the concentrations of Cu2+, NH3, and Cu(NH3)4^2+ at equilibrium? the formation constant*, Kf, of Cu(NH3)4^2+ is 1.70x10^13
How many moles of Na2S2O3 are needed to dissolve 0.65 mol of AgBr in a solution volume of 1.0 L, if Ksp for AgBr is 3.3×10−13 and Kf for the complex ion [Ag(S2O3)3−2] is 4.7×1013?
If a solution containing 0.10 M Cl-, Br, I-, and CrO2 is treated with Ag+, in what order will the anions precipitate? Salt AgCI AgBr Agl Ag₂ CrO 4 Ksp 1.8 × 10-10 5.0 × 10-13 8.3 × 10-17 1.2 × 10-12
Aluminumcan form two complex ions with fluoride, AlF63–(Kf= 2.4x10^4), which forms in solutions with [F–] > 1.5M and AlF4–(Kf= 2.0x10^8), which forms when [F–] is between 0.5 M and 1.5M. 100 mL of 0.20 M Al(NO3)3is combined with 500 mL of a pH 4.25 HF/NaF buffer (total concentration of 2.0M). Given that the sodium salt of the complex ion has a solubility of 0.042 g/100 mL, will the sodium salt precipitate from the equilibrium mixture? Why or why not? If AlF63–forms, the sodium salt would be Na3AlF6; if AlF4–forms, the sodium salt would be NaAlF4.
For Ca(OH)2, K= 4.0x 10-6 What will occur if 1.0L of 0.100 MCa(NO3, is prepared in a solution that is buffered at pH 12.50?
A solution is initially 0.0380 M in Fe3+ and 0.29 M in NaCN. If the Kf for the complex ion Fe(CN)63 is 1 × 1042. What is the molarity of Fe3 at equilibrium?
What is the equilibrium concentration of Cl¯ (in M) in a saturated solution of PbCl₂? (Ksp for PbCl₂ is 1.6 x 10-5 )
A buffer solution made from HCN and KCN has a pH of 9.18. If pK, for HCN is 9.40 , [CN ] [HCN] what is the in the buffer? [CN ] [HCN]
What is the maximum concentration of Ni2+ that can be added to a 0.00460 M solution of Na,CO, before a precipitate will form? (Ksp for NiCO, is 1.30 × 107) 3
The solubility of Ag2SO4 is measured and found to be 5.16 g/L. Use this information to calculate a Ksp value for silver sulfate. Ksp =

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