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Complete the following reactions mild oxidation 8.9.
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- What is the concentration of free Hg2+ in 2.6061e-4 M Hg(NO3)2 and 1.1005 M NH3? Hg2+ + 4 NH3 → [Hg(NH3)4]2+ Kf = 1.800e+19Sulfate reduction 5C2H4O2 (acetate) + 10H2O = 10CO2(g) + 40e- +40H+ E0’= (-0.28)*(-1) 4SO4- + 40e- + 40H+ = 4H2S(g) + 16H2O E0’= (-0.22) 5C2H4O2 + 4SO4 = 4H2S + 10CO2 + 6H2O full reaction= 0.06 How is 4SO4- + 40e- + 40H+ = 4H2S(g) + 16H2O E0’= (-0.22)? I don't get how it is -0.22 based off the redox tower.Hydrogen sulfide (H2S) is an odorous gas that can be stripped from solution by bubbling air through the solution. H2S when dissolved in water is also a weak acid that can deprotonate to bisulfide ions which are not removed by air stripping. That reaction is ?2?--> H^+ + ??^- With equilibrium constant Ka=0.86x10-7.Find the fraction of hydrogen sulfide in the H2S form at pH 6 and pH 8. At which pH would you expect to have an easier time to strip away H2S gas?
- What is the [CH3CH2CO2−] in a solution which is 0.1416 M in CH3CH2CO2H and 0.1929 M in HNO3? CH3CH2CO2H(aq) + H2O(l) → CH3CH2CO2−(aq) + H3O+(aq) Ka = 1.3000e-5If 33.82 ml of an hno3 solution of unknown requires 29.95 ml of .100m Noah solution to be neutralized what is the concentration of the hmo3 solitionThe Tris buffer system is commonly used in biochemistry as its pKa of 8.1 allows it to buffer close to physiological pH. (CH2OH)3CNH2 + H+ Û (CH2OH)3CNH3+ What concentrations of Tris and Tris H+ are obtained in a 200 mL solution at pH 8.20 containing 6.1g of Tris? The molecular mass of Tris is 121.1 gmol-1 Please do this step by step thank you!
- Calculate the value of the equilibrium constant for each of the following reactions in aqueous solution. a) HC2H3O2 + OH- <--> C2H3O2- + H2O b) C2H3O2- + H+ <--> HC2H3O2 c)HCl + NaOH <--> NaCl + H2O and I need an actual value for Kc not just the Kc formula which I already know. thanks.Which is the principle species in EDTA solution at pH 7? H2Y2- H4Y H3Y- HY3- Y4-when 2.0 of NaOHCO3 was heated the weight of the reside product after heating was 1.0g calculate the percent weight loss on heating
- In extraction of caffeine from tea, CaCO3 (pKa of HCO3- is 10.3) is used to convert tannin to glucose and calcium salt of gallic acid. Explain why glucose is not in its salt form but gallic acid is. Assuming pKa of -OH of glucose is 12, and pKa of -OH of gallic acid is 9.5 and pKa of -COOH of gallic acid is 4.5.What is the concentration of Mn2+ in a solution with an analytical MnY2- concentration of 0.025 M at pH7? Kmny = 6.2 x 1013 a4 = 4.8 x 10-4 A 9.2 × 10-7 M B 8.4 × 10-13 M C 4.0 × 10-16 M D 2.0 × 10-8 MWhat is the identity of the blood red solution formed from C? a. All of these. b. FeSCN+ c. FeNO+ d. FeSCN2+ e. FeNO2+