A solution prepared in the lab contains 3.5 x 10-4 M Sr2 and 0.0010 M F-. Will a precipitate form? (Ksp of SrF2 is 4.3 x 10-9) A) Yes, because Q < Ksp. B) Yes, because Q > Ksp. C) No, because Q< Ksp. D) No, because Q > Ksp
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Q: A solution prepared in the lab contains 3.5 x 10* M Sr2* and 0.0010 M F. Will a precipitate form?…
A: A precipitation occurs when Q > Ksp Q = [Sr2+] [F-]2
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- The sketch that indicates the change that occurs when 1.0 mol/ LH,PO,tan is added to 20 mL of 1.0 moVL NH, (ae) is 14 12 10 6. 2- 20 Volume of acld added (mL) 10 30 14 12 10 10 20 Volume of acld added (mL) 30 14 12 10 10 20 30 Volume of acid added (ml) 14 12 10 20 Volume ol acid added mt.) 103. (Total 20 pts) Carbonate systems: A. Graph the predominance diagram (log[ ] vs pH) of the carbonate species in water in contact with an atmosphere with pCO₂=10-3 atm (KH-10-1.5). (8 pt B. Make a speciation table for pH=4, pH=8 and pH=11. Use the exact analytical formulas. (6 pt) C. At which of the three pH conditions is SrCO3 more soluble into Sr++ and CO3²-? (Ksp = 10-9.3. Calculate [Sr++] at all 3 pH) (6 pt)ing Lab Archives PHLT 411 Apartment AT Research Programs Volunteer Med school Not emilymarkentell@tamu.edu? Switch account Required Synthesis H. A) LDA; CH3BR F) LDA; HCECCH2Br K) LDA; PhCH2Br B) 1. ВНз, THF 2. H2O2, NaOH G) 1. iPrMgBr, 2. mild H30* L) 1. (iPr)2CuLi, 2. mild H30* workup workup H) pyridine C) HBr, Br2 M) H30*, H20, heat D) CrO3, H* 1) PB33 N) H2C=PPH3 E) Mg, dry ether J) NaCN 0) sOCl2, pyridine Step 1 = * DELL
- Malwareb Wwsu academia as schedule advising WSU Honors Libra... Wolfram|Alpha: C.. Account IG Into Th Ch6a e University - CHEM 2280 - Fall 19 - TRIMPIN > Activities and Due Dates Ch6a Assignment Score: i 978/1500 Give Up? Resources Question 12 of 15 What concentration of SO is in equilibrium with Ag,SO2 (s) and 8.10 x 10-3 M Ag+? The Ksp of Ag, SO2 can be found in this table. 3 М help privacy policy terms of use contact us about us careers 5 XWP SEP 13 F10 F9 F8 F7 000 F4 F6 F5 F3 & A $ 4 # 0 8 7 3The Ksp of Al(OH)3 is 4.6*10-33, and the Ksp of Zn(OH)2 is 3*10-17 1) Can Al3+ be separated from Zn2+ by the addition of an NaOH solution to an acidic solution that contains 0.350 M Zn2+ and 0.150 M Al3+ ? If can't leave answer fields in parts 2, 3 empty. (Answer as yes or no) 2) At what hydroxide ion concentration will the second cation precipitate? (Answer must be mol/L) 3) What is the concentration of the other cation at that hydroxide ion concentration? (Answer must be mol/L)TRIAL 1 TRIAL 2 TRIAL 3 Wt. of vinegar sample 8.2000 g 8.1000 g 8.2500 g Vol. of vinegar sample 10.00 ml 10.00 ml 10.00 ml Titration Data Final Reading Initial Reading Total vol. of NaOH used 24.30 24.00 mL 24.40 ml 0.00 mL 0.00 ml 0.00 mL Ave.Std. Concn. of NaOH, (N) % CH;COOH Ave. % CH3COOH QUESTIONS 1. What is the density of the vinegar sample used?
- 1. Reagent(s) for [Select] 2. Reagent(s) for III [Select] To preview the image Click Here B NaOH Br > ||| Enroll | Enroll HFS OH OH I A. HBr/CCl4 B. HBr/ROOR C. Br₂/CCl4 D. Br₂/hv ||| A. H₂/Pd/C B. PCC/CH2Cl2 C. Na2Cr2O7/H2SO4M 23 (H) Inorganic Analytical Chemistry pard My courses CHEM 23 (H) FS-AY:20-21 Week 4-5: Quantitative Analysis by Gravimetry and Titration Quiz 4 Qu 10 The 500.0-mg sample of impure Na2 CO3 (FM: 105.96) required 22.00 mL of the HCI standard solution (the obtained concentration of HCI from the previous question, problem 5: Titrimetry short answer type) for complete neutralization. ut of 1. Give the balanced chemical equation between the sample, Na2CO3 and the standard, HCI. 2. What is the mass (g) of Na, CO3 in the sample? 3. Calculate the % (w/w) purity of a 500.0-mg sample of impure Na2 CO3 Note: Type your solution here or upload its pic in Jpeg or pdf format. Another option is to send it to me via email (subject: Fam name-Quiz 4) or messenger, privately. Do not forget to box the final answer and write your name. В I 1.Experiment 10: Chemical Equilibrium DATA SHEET Parts A and B: Equilibrium involving Thymol Blue Part A Table A: Effect of addition of 0.10 M HCt on the Equilibrium Direction of Stress Total Volume of 0.10 Colour Equilibrium Shift (L/R) (lon Added) M HCt added (mL) H Mellow N/A J.om ightly cad 3.0m 4.oml Part B Table B: Effect of the addition of 0.10 M NaOH on the Equilibrium Direction of Stress Total Volume of 0.10 Colour Equilibrium Shift (L/R) (lon Added) M NAOH added (mL) 6.0ml light eanja orangi alloo Boru pllo2 eobait buu 2.0m 2.0ml 2.0M
- S NGSS CHEMISTRY GT 9 Schoology O Paraphrasing Tool | Qu x W Word A bcps.schoology.com/common-assessment-delivery/start/4979553967?action=onresume&submission O BCPS Links S Home | Schoology W Word O Original NBA strea.. O Driver Education, O. Show What You Know: pH & pOH What is the pOH of a solution with [H*] = 3.4 x 103 M? Show your work.Pls help on both 20,2131 Example 1. Consider the reaction Species Go f CaCO3(s) -1128.8 -1207.4 (аq) CO2(9) -393.5 -394.37 СаСОзе) + 2H* (a0) =CO2(9) *(aq) + H,O, + Ca2+, (aq) H2O) -237.18 -285.83 Cat" (aq) -542.83 2+ -553.54 Where CaCO, is calcite. Answer the following: (1) What is the AG°rxn for this reaction at 25°C? (2) Is the reaction exothermic or endothermic? (3) If a solution has [H*] = 1 x10-7 M, P(CO2) = 10-3.5 atm, and calcite is present, what is the concentration of Ca2+ at equilibrium at 25°C?