Homework Answers
![pby(pour 20) pha cest 2 polcove) K&P=[pb=2]Pouby? 1.5*10*4= [7:2816** [portage kope1.5x1024 [ples] = 7:27108 Xb = 6.339x107 =](http://img.homeworklib.com/questions/49ff8670-73b1-11ea-9c67-85dc91da2a42.png?x-oss-process=image/resize,w_560)
Add Answer to:
Question 5 2 pts 15 ppb, equivalent to 7.2 x 10-8 M, is the maximum contaminant...
1) For the reaction: PbCl2(s) ↔ Pb2+(aq)+2Cl1-(aq), what is Q* when 2.5 mL of 0.070 M...
1) For the reaction: PbCl2(s) ↔ Pb2+(aq)+2Cl1-(aq), what is Q* when 2.5 mL of 0.070 M lead nitrate is added to 19 mL of 0.018 M sodium chloride? Ksp of lead chloride is 1.6 x 10-5 M3. Hint given in general feedback *Recall: Q is compared to Ksp to determine whether a precipitate forms. 2) Sodium phosphate is added to a solution that contains 0.0041 M aluminum nitrate and 0.028 M calcium chloride. The concentration of the first ion to...
Calcium phosphate (Ca3(PO4)2) is sparingly soluble in water. If the concentration of calcium ions in solution...
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...
Consider a solution that is 1.3×10−2 M in Ba2+ and 1.8×10−2 M in Ca2+. Ksp(BaSO4)=1.07×10−10 Ksp(CaSO4)=7.10×10−5...
Consider a solution that is 1.3×10−2 M in Ba2+ and 1.8×10−2 M in Ca2+. Ksp(BaSO4)=1.07×10−10 Ksp(CaSO4)=7.10×10−5 *Part A: If sodium sulfate is used to selectively precipitate one of the cations while leaving the other cation in solution, which cation will precipitate first? If sodium sulfate is used to selectively precipitate one of the cations while leaving the other cation in solution, which cation will precipitate first? A) Ba2+ (ANSWER) B) Ca2+ *Part B: What minimum concentration of Na2SO4 is required...
need help with all parts of question 2. thank you :) equivalence points and the pH...
need help with all parts of question 2. thank you :)
equivalence points and the pH at the half equivalence points for the three titration regions. Question 2 Part A Given the Ksp = 2.0 x 10-29 for the sparingly soluble salt, calcium phosphate (Ca3(PO4)2), determine the molar solubility of the salt in a solution that is 0.20 M in calcium perchlorate, Ca(C104)2. Part B The cation, Co2+, is able to form a complex ion, (Co(SCN)4] 2-, with the thiocyanate...
Question 24 4 pts Does a precipitate of Ca3(PO4)2 form (Ksp = 1.0 x 10-25) when...
Question 24 4 pts Does a precipitate of Ca3(PO4)2 form (Ksp = 1.0 x 10-25) when the following two solutions are mixed. soln A. soln B. 1.75 L of 1,8 x 10-4 M Ca(NO3)2 0.15 L of 1.2 x 10-6 M Na3PO4 O Yes No answer text provided. No answer text provided Ο Νο
Will a precipitate occur in a solution that is initially 1.30 x 10-5 M Co+2(aq) and...
Will a precipitate occur in a solution that is initially 1.30 x 10-5 M Co+2(aq) and 2.48 x 10-5 M CO3-2(aq)? Ksp = 1.4 x 10-13 CoCO3(s) ↔ Co+2(aq) + CO3-2(aq) Please show all work, thank you!
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133...
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133 mg of AgBr will dissolve in 1.00 L of water. What is the value of Ksp for AgBr? 3) By experiment, it is found that 1.2 x 10-3 mol of lead (II) iodide, PbI2, dissolves in 1.0 L of water at 25°C. What is the Ksp at this temperature? 4) What is the molar solubility of silver chloride in 1.0 L of solution that...
Question 2 2 pts Solid Mn(OH)2 is added to a solution of 0.100 M FeCl2 What...
Question 2 2 pts Solid Mn(OH)2 is added to a solution of 0.100 M FeCl2 What is the molar concentration of OH before adding it to FeCl2? Helpful formulas: Mn(OH)2 (s) Mn2+ (aq) + 20H |(aq) Ksp 1.6x 10-13 FeCl2 (s) Fe2+ (aq) 20H (aq) Ksp 4.9 x 1017 O 5.5x 104 M 3.4x 105 M O 6.8 x 10-5 M O 2.75 x 104 M Ouestion 3 2 nts
Solubility Product Constants (Ksp at 25 °C) Type Formula Кsp Bromides PbBr2 6.3 x 10-6 AgBr...
Solubility Product Constants (Ksp at 25 °C) Type Formula Кsp Bromides PbBr2 6.3 x 10-6 AgBr 3.3 * 10-13 Carbonates BaCO3 8.1 x 10-9 CaCO3 3.8 x 10-9 COCO3 8.0 × 10-13 CuCO3 2.5 10-10 FeCO3 3.5 x 10-11 PbCO3 1.5 10-13 MgCO3 4.0 x 10-5 MnCO3 1.8 10-11 NiCO3 6.6 x 10-9 Ag2CO3 8.1 x 10-12 ZnCO3 1.5 x 10-11 Chlorides PbCl2 1.7 x 10-5 AgC1 1.8 10-10 Chromates BaCrO4 2.0 x 10-10 CaCrO4 7.1 x 10-4 PbCr04 1.8...
Hi could you please provide detailed workings for this question? thanks! Questions 1 & 2 refer to the solubility of...
Hi could you please provide detailed workings for this question?
thanks!
Questions 1 & 2 refer to the solubility of lead chromate, PbCr04: PbCrO4(s) = Pb2+(aq) + Cro4? (aq) 1. The Ksp for PbCrO4 is 2.0 x 10-16 at 25 °C. What is the solubility of PbCr04 in mol L´?? a) 1.4 x 10-8 b) 2.8 x 10-8 c)2.0 x 10-16 d) 7.1 x 107 e) 5.0 x 1015 2. If 5.0 mL of 1.0 x 10-M Pb(NO3)2 is added...
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...
need help with all parts of question 2. thank you :)
equivalence points and the pH at the half equivalence points for the three titration regions. Question 2 Part A Given the Ksp = 2.0 x 10-29 for the sparingly soluble salt, calcium phosphate (Ca3(PO4)2), determine the molar solubility of the salt in a solution that is 0.20 M in calcium perchlorate, Ca(C104)2. Part B The cation, Co2+, is able to form a complex ion, (Co(SCN)4] 2-, with the thiocyanate...
Question 24 4 pts Does a precipitate of Ca3(PO4)2 form (Ksp = 1.0 x 10-25) when the following two solutions are mixed. soln A. soln B. 1.75 L of 1,8 x 10-4 M Ca(NO3)2 0.15 L of 1.2 x 10-6 M Na3PO4 O Yes No answer text provided. No answer text provided Ο Νο
Question 2 2 pts Solid Mn(OH)2 is added to a solution of 0.100 M FeCl2 What is the molar concentration of OH before adding it to FeCl2? Helpful formulas: Mn(OH)2 (s) Mn2+ (aq) + 20H |(aq) Ksp 1.6x 10-13 FeCl2 (s) Fe2+ (aq) 20H (aq) Ksp 4.9 x 1017 O 5.5x 104 M 3.4x 105 M O 6.8 x 10-5 M O 2.75 x 104 M Ouestion 3 2 nts
Solubility Product Constants (Ksp at 25 °C) Type Formula Кsp Bromides PbBr2 6.3 x 10-6 AgBr 3.3 * 10-13 Carbonates BaCO3 8.1 x 10-9 CaCO3 3.8 x 10-9 COCO3 8.0 × 10-13 CuCO3 2.5 10-10 FeCO3 3.5 x 10-11 PbCO3 1.5 10-13 MgCO3 4.0 x 10-5 MnCO3 1.8 10-11 NiCO3 6.6 x 10-9 Ag2CO3 8.1 x 10-12 ZnCO3 1.5 x 10-11 Chlorides PbCl2 1.7 x 10-5 AgC1 1.8 10-10 Chromates BaCrO4 2.0 x 10-10 CaCrO4 7.1 x 10-4 PbCr04 1.8...
Hi could you please provide detailed workings for this question?
thanks!
Questions 1 & 2 refer to the solubility of lead chromate, PbCr04: PbCrO4(s) = Pb2+(aq) + Cro4? (aq) 1. The Ksp for PbCrO4 is 2.0 x 10-16 at 25 °C. What is the solubility of PbCr04 in mol L´?? a) 1.4 x 10-8 b) 2.8 x 10-8 c)2.0 x 10-16 d) 7.1 x 107 e) 5.0 x 1015 2. If 5.0 mL of 1.0 x 10-M Pb(NO3)2 is added...
Most questions answered within 3 hours.
-
1.
What is the minimum volume to use in the Spec 20 cuvette in order
to...
asked 27 seconds ago -
Michael Bordellet is
the owner/pilot of Stellar Air Service. The company flies a daily
round trip...
asked 59 seconds ago -
Hi, I need to change the conversion where stack is into a class
stack and add...
asked 18 minutes ago -
Consider the log logistic CDF F(t)=1/(1+(t/α)-β)
Find f(t), S(t), h(t), and H(t).
It can be shown...
asked 19 minutes ago -
A gaseous mixture of methane and water vapor at
atmospheric pressure and 500 ° C is...
asked 32 minutes ago -
QUESTION 11
The Stark Laws (Physician Self-Referral Laws) were passed to
prevent providers from referring Medicare...
asked 25 minutes ago -
Malnutrition is prevalent in underdeveloped countries and
measures should be taken to rectify the situation.
Read...
asked 23 minutes ago -
You have just received a large cut from a kitchen knife. Over
the following week, you...
asked 41 minutes ago -
suppose you are a new board member for an emerging
not-for-profit organization hoping to attract new...
asked 39 minutes ago -
1.What is a transcultural leader?
2.What makes a good transcultural leader?
3.The world is becoming smaller...
asked 40 minutes ago -
Among 100 engineering students, 15 are chemical engineering
majors, 60 are undergraduates, and 5 are undergraduates...
asked 1 hour ago -
On September 3, 2018, the Robers Company exchanged equipment
with Phifer Corporation. The facts of the...
asked 1 hour ago