Post lab 5

1. Molarity of the NaOH solution 0.238 mol/L Trial 1 Trial 2 Trial 2. Volume of H;PO4 added to flask 22.0 mL 22.0 mL 22.0 mL 3. Initial NaOH volume _0.25_ mL _0.75_ mL 0.55 mL 4. Final NaOH volume 17.60_ mL 18.20_ mL _17.90_ mL 5. NAOH volume used for titration to reach green end point mL mL mL 6. NaOH volume used for titration 7. Moles of NaOH used for titration mol mel mel 8. Moles of H;PO4 that reacted mol mel mol 9. Volume of H;PO4 added to flask L 10. Molarity of H3PO4 mol/L mol/L mol/L

Part A) A 10.0 mL sample of 0.250 mol/L NiF2(aq) is mixed with 20.0 mL of 0.0900 mol/L NaOH(aq) and then diluted to a final volume of 100. mL.Calculate the concentration of Ni2+ ions in the 100 mL mixture before the reaction starts. Express your answer to three significant figures.ksp: 5.48e-16

Pls help ASAP. Pls do all asked questions.

2- What is the concentration of Cro, required (molarity) in a solution that is 0.002 M in Ba2* in order to cause a precipitate to begin to form? The Ksp for BaCrO4 is 8.16x10-". Report your answer to the tenths place and enter your answer using scientific notation.

Answ G A 20 Answ My C X C Write C The C Whe /takeCovalentActivity.do?locator=Dassignment-take (Review Topics] (References) Use the References to access important values if needed for this question. When 22.0 mL of a 3.58×10 4 M ammonium chloride solution is combined with 25.0 mL of a 9.20x10 4 M silver nitrate solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to Submit Answer Retry Entire Group 1 more group attempt remaining Previous Next ENG 令 D US Home End Insert F10 F1 F12 F8 F9

Would you mind answering questions 7 and 8? Thank you.

14. What is the correct sequence of concentration values for the species in a 1 MH3ASO4 solution? (Kal = 2.5 x 10-4, Ka2 = 5.6 x 10-8, Ka³ = 3.0 x 10-13) A. H3ASO4 > H3O+ > H₂AsO4 > HASO4²- B. H3O+ > H3ASO4 > H₂ASO4 > HASO4²- C. H3O+ > H₂ASO4 > H3ASO4 > HASO4²- D. HASO4²- > H3O+ > H₂AsO4¯ > H3ASO4 | PH 12 10 8 6 10 20 Volume of Titrant Added (ml) 30

Onlin X * My Home * MindTap - Cen x C The Solubility X b Answered: Ma X D Chapter 17, Fr x agenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] Magnesium sulfate, MgSO4, is added to 481 mL of 7.00 × 10¬ M sodium hydroxide, NaOH, until precipitate just forms. How many grams of magnesium sulfate were added? Assume that the volume of the solution is not changed significantly by the addition of magnesium sulfate. K, (Mg(OH)2) = 1.8 × 10¬11 Submit Answer Try Another Version 2 item attempts remaining C OWLV2 | Online tea.

The following salts were added to a beaker of distilled water: NaCl (NH2)2CO; Ca(NO;)2 Which of the following products will precipitate out of solution? O NH CI O CaCO, FONTHN O O NaCO;

C Aktiv Chemistry Portal X https://app.101edu.co Handshake D21 D2L B How many moles of precipitate X Ch. 1 Introduction -... Aktiv Chemistry + Connect-Bio Google Docs Quizlet Question 17 of 23 2023 Elantra hybrid What quantity in moles of Li₂S will be required to completely react with 51.8 mL of 0.100 M Fe(NO3)3? 3 Li₂S(aq) + 2 Fe(NO3)3(aq) → Fe2S3(s) + 6 LINO3(aq) W →2022 Subaru WR

Content OWLV2 | Online teaching and lee X G How many mlof 0.552 M HI are x A cvg.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator-assignment-take CHAPTER 4 - STOICHIOMETRY: QUANTITATIVE INFORMATION ABOUT CHEMICAL REACTIONS Page 1 of 3 Next O A saturated solution of zinc hydroxide, Zn(OH)2. has a pH of 8.7. What is the hydronium ion concentration of the solution? Is the solution acidic or basic? Concentration = M The solution is Cengage Learning Cengage Technical Support

please don't provide hand written soluton....

Which compound has the highest solubility in pure water? O a. M9F2, Ksp = 6.9 x 10-9 %3D Ob. Agl, Ksp = 8.3 x 10-17 CaSO4, Ksp = 2.4 x 10-5 %3D O d. Ca3(PO4)2, Ksp = 1.2 x 10-26 %3D O e. Sr(OH)2, Ksp = 3.2 x 10-4 %3D

TUOv to lls worla taum uo 1o9TIOoni bolam od lliw elimu iboo lut o 19 4. Given the Borax reaction below, what would be the solubility product (Ksp) of borax at 40 °C, if the solubility of borax is 0.8 mol L¯1 at 40 °C? Na,B4O5 (OH)4 · 8H,O(s) = 2Na+ (aq) + B405(OH) (aq) +8H,O(1) sr vol (A) gnsb vgotino brrbae ar bo CHO)gab xglerino bisbasie orb il S

If this is too much for one question, I would prefer c and d.

ersations Window Help То: EM Delive Which of the following statements best describes the solubility of Pbl2 in a solution containing NaNO3? Question 2 options: The solubility is higher :39 AM s best a sol... The solubility is lower 0:16 AM It has no effect 3:46 AM iMessage

84 mL of 0.060 M NaF is mixed with 28 mL of 0.15 M Sr(NO3)2. Calculate the concentration of Sr2+ in the final solution. Assume volumes can be added. (Ksp for SrF2 = 2.0 × 10-10) A. 0.038 M B. 0.00012 M C. 0.015 M D. 0.045 M E. 0.075 M

1. Rank the following salts based on their solubility from the most soluble to the least. Show final answers only in the table, mind your superscripts, no solutions required. Salt Kap Rank AI(OH)s 3.0 x 1034 CaCO3 4.5 x 10 Pb:(PO.)2 7.9 x 1043 Hgal2 4.7 x 10-29 Ag.C20. 3.5 x 10-11