14a) Sodium chromate is added to a solution of 0.0060 M Sr? What is O if...
Calcium phosphate (Ca3(PO4)2) is sparingly soluble in water. If the concentration of calcium ions in solution at equilibrium is 1.0 x 10°M, what is the Ksp of calcium phosphate? a. 4.4 x 10-46 b. 2.2 x 10-46 c. 1.1 x 10-46 d.5.5 x 10-47 a. b. O C. d. KESCION 20 5 pts 14a) Sodium chromate is added to a solution of 0.0060 M 5r2+ What is Q if the final concentration of Cro 2 is 0.0030 M? a. 7.2...
5 pts 14b)Sodium chromate is added to a solution of 0.0060 M Sr24 Will a precipitate form if the final concentration of Cro?.is 0.0030 M? Yes No The system is at equilibrium Not enough information to determine 5 pts
Solid silver nitrate is slowly added to 75,0 mL of a 0.0346 M sodium chromate solution. The concentration of silver ion required to just initiate precipitation is
Solid barium acetate is slowly added to 150 ml of a 0.0681 M sodium chromate solution. The concentration of barium ion required to just initiate precipitationis
A solution containing a mixture of 0.0441 M 0.0441 M potassium chromate ( K 2 CrO 4 K2CrO4 ) and 0.0513 M 0.0513 M sodium oxalate ( Na 2 C 2 O 4 Na2C2O4 ) was titrated with a solution of barium chloride ( BaCl 2 BaCl2 ) for the purpose of separating CrO 2− 4 CrO42− and C 2 O 2− 4 C2O42− by precipitation with the Ba 2+ Ba2+ cation. The solubility product constants ( ? sp Ksp...
A.) Solid lead acetate is slowly added to 50.0 mL of a 0.0624 M sodium chromate solution. The concentration of lead ion required to just initiate precipitation is __M B.) Solid potassium hydroxide is slowly added to 50.0 mL of a 0.0636 M nickel(II) acetate solution. The concentration of hydroxide ion required to just initiate precipitation is __M
D Question 4 5 pts 2b) There are 0.10 moles of N2O4 and 0.20 moles of NO 2 present in a 2.0 L container which may react according to: N2O4(g) = 2N028) Kp = 11 What is the value of Qp for the initial gas mixture? a. 4.0 b. 0.20 c. 0.40 d.5.0 . a. b. Consider the following equilibrium systems. Which direction will the reactions shift (reactants or products) when cooled? 200g + O2(g) = 2CO2(g) H2e+12(e)=2HI® H2(g) +126)...
Solid lead nitrate is slowly added to 125 mL of a 0.0598 M sodium chromate solution. The concentration of lead ion required to just initiate precipitation is
A solution contains 1.09x10-2 M calcium nitrate and 8.55x10-3 M lead acetate. Solid ammonium chromate is added slowly to this mixture. A. What is the formula of the substance that precipitates first? formula B. What is the concentration of chromate ion when this precipitation first begins? [Cro_2-1- M Solubility Product Constants (Ksp at 25 °C) Type Ksp Formula ZnCO3 1.5 x 10-11 Chlorides PbCl2 1.7 x 10-5 AgCi 1.8 10-10 Chromates BaCrO4 2.0 10-10 CaCrO4 7.1 x 10-4 PbCr04 1.8...
How much greater is the molar solubility of strontium chromate (Ksp = 3.6 x 10-5) in pure water than it is when added to a solution that is 0.177 M in sodium chromate (Na2CrO4)? You may assume complete dissociation of the sodium chromate.