A distribution ratio of a complex metal M- APDC is 5,96. Calculate the required extraction if 50 ml MIBK used in 99.5% metal M ion in 50 ml urine pH 3.

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?

1 2 3 4 5 6 7 8 = 9 =10 In aqueous solution the Feion forms a complex with six cyanide anions. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex. K₁ = [] ㅁㅁ Continue Σ (四 ローロ X G 2024 McGraw Hill LLC. All Rights Res

The solutbility constant for Ce(IO3)3 is 3.2x10^-10. What is the Ce3+ concentration in a solution prepared by mixing 50 mL of 0.0450 M Ce3+ with 50 mL of: A.) 0.0450 M IO3- ? B.) 0.0500 M IO3- ?

Find the solubility of CuI in 0.40 M HCN solution. The Ksp of CuI is 1.1 * 10 - 12 and the Kf for the Cu(CN)2 - complex ion is 1 * 1024.

A 200.00 mL solution of 0.00105 M AB4 is added to a 270.00 mL solution of 0.00245 M CD5. What is pQsp for AD4? pQsp = -log(Qsp)

Which of the following statements regarding complexometric titrations is ? incorrect The larger the formation O constant for the EDTA- metal complex, the sharper the endpoint EDTA is a tetraprotic acid O The higher the ammonia O concentration, the less sharper the end point for the EDTA-Zn²+ complex In the pH range 3-10 the predominant species is y4- ɑ4 value is proportional to O the pH value

If a solution of 0.15 M Mn² and 0.15 M Cd is gradually made basic, what will the concentration of Cd be when Mn(OH)₂ just begins to precipitate? Assume no change in the volume of the solution For Mn(OH)₂K-1.6 10¹ and for Ca(OH) K-7.2 1015, thus, Mn(OH)₂ is more soluble than Cd(OH)₂ |d³-|- BOSC M

-4 A chemistry graduate student is given 100. mL of a 0.70M trimethylamine ((CH,) N solutlon. Trimethylamine Is a weak base with K,=7.4×10 . What %3D mass of (CH,) NHB1 should the student dissolve in the (CH,) N solution to turn it into a buffer with pH = 11.297 3 3 You may assume that the volume of the solution doesn't change when the (CH,) NHBr Is dissolved in It. Be sure your answer has a unit symbol, and round it 3. to 2 significant digits. Ar x10 Fxplanation Check © 2021 McGraw-Hill Education. All Rights Reserved Terms of Use Privacy Accessibility V O 11:27 hp Bố -> esc backspace #3 2$ % %3D ! 8. 9 6. 1 3 y W e tab e k 一 * 00

What is the molar solubility of A9CI (Ksp = 1.80 × 10¯1º) in 0.470 M NH3? (Kf of Ag(NH3)2* is 1.7 x 10’) +