Given the following reaction
8 H+ + 5 Cu+ + MnO4- =====> 4 H2O + Mn+2 + 5 Cu 2+
Determine the weight percent Cu of a 1.84 gram sample if it takes 19.6 ml of 0.111 Molar MnO4- to titrate it. Find the moles of Cu first, then grams.
Given the following reaction 8 H+ + 5 Cu+ + MnO4- =====> 4 H2O + Mn+2...
PRE-LAB ASSIGNMENT 1) Write the balanced net ionic equation for the reaction between MnO4-ion and Feation in acid solution. 2) How many moles of Fe²+ ion can be oxidized by 1.2 X 10-2 moles of MnO4 in the above reaction? moles 3) A solid sample containing some Fetion weighs 1.750 g. It requires 36.44 ml of 0.0244 M KMnO4 to titrate the Fe in the dissolve sample to pink end point. a. How many moles of MnO4- are required? moles...
Balance the following redox reactions: Fe^2+ + MnO4^- + H^+ → Fe^3+ + Mn^2+ + H2O Mn^2+ + MnO4^- + …→ MnO2 + … IO3^- + I^- + H^+ → I2 + H2O
Give the oxidizing and reducing agents for the following reaction. H2O2 + Mn^+2 ===> H2O + MnO4- AgNO3 + Cu ====> Cu(NO3)2 + Ag
5 H2O2 + 2 MnO4- +6 H+502 +8 H2O +2 Mn2+ 3. A 25.00 mL of Commercial Peroxide solution is titrated with 0.200 M acidified KMnO4 solution according to the balanced equation provided below. The initial volume reading from the buret is 4.15 mL. The final volume of the buret reading is 15.23 mL. A. Why using an indicator for this redox titration experiment is unnecessary? How will determine the end point of the titration?
5. Balance the following reaction that occurs in base, using the half-reaction method. NO(g) + MnO4-1(aq) ---> NO3-1(aq) + MnO2(s) When this reaction is balanced, there will be (A) OH-1(aq) and (B) H2O(l) in the final balanced equation. (Enter numbers without the plus sign.) 6. 0.122 grams of an unknown triprotic acid was neutralized with 37.2 mL of a 0.125 M NaOH solution. What is the Molar Mass of the unknown acid? Report the answer to three sig figs and...
use the example to answer 8,9,10&11 Here's an example: Balance the following redox reaction, which occurs in acidic solution: Fe (aq)+ MnO4'(aq) -Fe (aq) + Mn (aq) Solution: +2 +7 +3 Step 1) +2 Fe2 (aq)+ MnOa (aq) Fe(aq) + Mn2 (aq) Fe (aq) MnO4 (aq) Mn2 (aq) 1 Fe on each side; 1 Mn on each side; no adjustment necessary Fe2 (aq) Fe 3'(aq) + e 5 e + MnO4(aq) Fe (aq) Fe (aq) + e (2+ on each...
16H lap to Mn On Cop) +56 Oy can 10.60249) + 2 + 2H₂ ble Oxidation-Reduction Titrations : Determination of Oxalate 5. What volume of 0.100 M KMnO, would be required to titrate 0.23 g of K[Cu(C204)21 2H,0? Moles Mon moles CO 2 Vxma 5.2%10 ind - 0.100 Mill (0.29 Cocos 1:21 359.93 Malacca)70 5.20 L = 5.2mL Wiel V . Men 6. Calculate the percent C,0,?" in each of the following: H.C,0..Na.co.KC,0, and K[Al(COD) 34,0 7. If 28.70 mL...
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) Substance Melecular weight am Molar mass (g) LiP MON ZASO, Nichek) nitrate Irell) phosphate For the following mole calculations use dimensional analysis, showing the canceling of the units, and retain in your answer the number of significant figures in the measurements that is initially given to you. 2) Convert the following mass values to moles or mole values to masses....
8 Identify the reducing agent in the chemical reaction 2 MnO4 +5 H2SO3 + 2 Mn2+ + 5 SO42- + 4H+ + 3 H20. 5042 он" H2SO3 MO Mn
EXPERIMENT 8: Synthesis of Aquapentaammine-Cobalt (II) Nitrate, [Co(NH)sH2O1(NO)s Pre-Lab Questions: The complex salt [Cu(NH3)4][SO,1- H,O can be prepared by direct combination of its constituents: Cu +4 NH,+SO+ H2O [Cu(NH)JSO. H;O In an aqueous reaction solution contained 1.0 g CuCl, 2H2O, 1.0 mL 14 M NHs, and 1.0 g NazSO, what would be the maximum theoretical vield (in grams) of product? To what percent yield would 0.42 g of product correspond? Your yield of crude product is 1.8 g and you...