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- ▼ Part B 2NO3(aq) +8H(aq) + 6e 3Fe(s) + 2NO3 (aq) +8H+ (aq) 3Fe(s)→→3Fe²+ (aq) + 6e →>> 2NO(g) + 4H₂0 (1) →3Fe²+ (aq) + 2NO(g) + 4H₂O(1) IVE ΑΣΦ Calculate El using the tabulated standard electrode potentials at 25 °C. cell Express your answer in volts to three significant figures. Eeell= 1.21 SWE Submit Previous Answers Request Answer 2+ X Incorrect; Try Again; 4 attempts remaining ? V stontiol buoubtrooting the electro na= O ORGANIC FUNCTIONAL GROUPS Naming and drawing unsubstituted amides Draw the skeletal ("line") structure of N,N-dimethylethanamide. Click and drag to start drawing a structure. C™ X с S E 1/5 KirHow many molecules of Vit K 1 are in your guacamole given: moles of Vit K 1 = 5.681 x 10-7 (0.0000005681)
- In the preparation of a standard stock solution for protein analysis, 50 mg of bovine serum albumin (BSA) was dissolved in deionized distilled water to a final volume of 10 mL. What is the weight of BSA in 0.60 mL stock solution?Please send the answers in proper significant figures TITRIMETRIC DATA SAMPLE: CANE VINEGAR % acidity in label: 4.5% %purity of KHP: 99.80% FORMULA WEIGHT of KHP: 204.22 g/molWhat is the process mass intensity for the reaction shown? The product is isolated by filtration with no additional solvent usage. The density of ethyl L-lactate is 1.03 g/mL. Express your answer to two decimal places.
- Trial 1: [4] Volume of NaOH, dispensed (mL): 0.01608 Trial 1: [5] Molar concentration of NaOH (mol/L): 0.102 Trial 2: [4] Volume of NaOH, dispensed (mL): 0.01423 Trial 2: [5] Molar concentration of NaOH (mol/L): 0.106 Trial 3: [4] Volume of NaOH, dispensed (mL): 0.01721 Trial 3: [5] Molar concentration of NaOH (mol/L): 0.109 Average molar concentration of NaOH (mol/L): 0.1057Identify and explain the mistakes made in the following laboratory protocols: A 1250 mg sample of NaOH was weighed using an analytical balance. The pellets were directly transferred in the balance pans, pellets were gradually added until the reading of the balance was near to 0.2000 mg.You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in the sample containing Fe. Hemoglobin contains 3.83% by mass of a compound called heme (C₃₄H₃₂FeN₄O₄, MW = 616.49 g/mol). You find that your 11.5 mg blood sample contains 27.1 micrograms of Fe. What is the mass percent of hemoglobin in your protein sample?