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Q: Q2- A 30.0 mL H2C2O4 acidified solution, was treated with 25.0 mL of 0.102 M KMNO4 solution. The…
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Q: A 0.9092 g sample of wheat flour was analysed by the Kjeldahl procedure. The ammonia formed was…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
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A: We know, pNa = -log([Na+]) ---> (1) Molarity = moles/Volume --> (2) Millimoles =…
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Q: 5. A 0.9092 g sample of wheat flour was analysed by the Kjeldahl procedure. The ammonia formed was…
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Q: The pNa of a mixture prepared by mixing 50 ml of 0.00063 M of NaCl and 300 ml of 0.00040 M in…
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Q: A Sodium Chloride (0.1920g) NaCl was assayed using volhard Method, using 52mL of 0.0975N AGNO3 and…
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- Please don't provide hnadwrritten solutrion .....7. Sodium nitrite with antipyrine solution and hydrochloric acid forms? A) Emerald green coloration B) Blue staining C) Brown sediment. D) White sediment E) Blue-violet colorationA 1.0 m solution of HCI in benzene has a freezing point of 0.4 C. Is HCI an electrolyte in benzene? Explain.
- Prepare a 5 mM stock solution of Resveratrol (FW = 324.45). You have a 5 mg bottle and you want to use the whole bottle (all 5 mg).Chlorhexidine gluconate is available in different products in concentrations of 4% w/vand 0.12% w/v. H ow many milliliters of the more dilute product may be prepared fromeach fluidounce of the more concentrated product?How do you prepare this solution? 10ml of 20% (w/v) L-arabinose stock (weight/volume). How much of L-arabinose and water do you need to prepare desired arabinose stock
- How much Atrazine stock (9ppm Atrazine, DMSO) do I need to make 15.5 ml of (3ppb ATZ, cell culture media).?How long the time I need to dryied the g-C3N4 under vacuum at 60 C after washed and filtered?If I am doing an experiment on human H295R cells where I would treat the with very low concentrations of both Atrazine and DMSO. I have the cell culture media and the DMSO but I need to make a (9ppm Atrazine, DMSO) by dissolving powdered atrazine in DMSO. 1. If I have 0.04 g of Atrazine left in the bottle, how much (9ppm Atrazine, DMSO) solution can Imake? 2. How much atrazine stock willl I need to make 15.5ml of treatment solution (3ppb ATZ, cell culture media)? 3. What would be best for me to meausre the stock ATZ and what would be best for me to measure the cell culture media? 4. And then how much DMSO would I need to add to my 15.5 ml control solution?
- 1.Which of the following correlations about the analyses of iodine and saponificationnumbers is/are incorrect?a. Alcoholic KOH: dissolve KOH to lipid sampleb. Hanus reagent: react with saturated lipid bondc. Reflux set-up: hasten reactiond. Blank titration: determine total mol of KOH2. A triacylglycerol (Sample X) was subjected to saponification analysis. 1.1 grams of thesample was refluxed with 5% alcoholic KOH and the refluxed solution was titrated with 17.2 mLof 0.44 M HCl titrant. The blank solution was titrated with 25.6 mL of the titrant.i. What is the saponification number of the sample? ii. Which of the following could be the identity of the sample? Show solutions pls a. Tripalmitin (MW: 807.3)b. Trilaurin (MW: 639.8)c. Triolein (MW: 885:4)d. Tristearin (MW: 891.48)3. The conductivity of a 0.05M solution of acetic acid at 18°C is 4.4 × 10-4 Ω-1cm-1. Λ° of acetic acid at the same temperature is 387 Ω-1cm2. Calculate the dissociation constant (Ka) of acetic acid?The denaturing of proteins occurs when the stabilizing forces are altered. Below is the set of processes in which proteins are denatured. Classify the following processes according to the denaturing agent involved. Please help me understand the diff and correct any mistakes.