How can a mixture of benzoic acid and sodium be separated, given that sodium explodes strongly when it comes into contact with water? e 11:50 /
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- Why does β-naphthol dissolve in a basic medium?A prednisolone solution contains 15 mg prednisolone per 10 mL. What is the percentage strength (w/v) of the prednisolone in this prescription? (Answer must be numeric; no units or commas; round the final answer to the nearest HUNDRETH.)Please help The petition coeficiente between benzene and water for carta iLife is approximately 3.9 .you are given a 0.35 g sample of acetanilide dissolved in 100ml of water Which of the following extraction techniques will give q better recovery of.acetanilide from water A) one extraction with 60ml of benzene or b) two successive extractions with 30ml portions of benzene? Show calculation
- 1. What volume of cefoxitin (25 mg/ml) must be added to 400 ml of Mueller-Hinton brothto yield a solution supplemented with 5 µg/ml of aztreonam?What is the literature value of the melting range of: Crystallized acetanilide vs Crude acetanilide?1. What was the purpose of the concentrated sulfuric acid in the first step in the synthesis of aspirin? 2. What was the purpose of performing titration analysis on the product aspirin synthesized? 3. If the synthesized aspirin was not dried before melting point determination, what would be its effect?
- One of the components of nutmeg is an organic compound, Trimiristin, A. To extract this compound from nutmeg why we need to choose as a solvent, ether, and not acetone?B. Is it possible to choose water as an exhaustive solvent of Trimiristin?1A. Calculate Theoretical Yield of 9,10-dihydroanthracene-9,10-α,β-succinic acid anhydridein moles using 2 grams of anthracene, 1 gram of maleic anhydride, 25ml of xylenes 1B.Which is the best solvent to recrystallize the following compound?
- A Student added 1.5 ml of 3 M Methyl Magnesium Bromide to a conical vial containing Benzophenone & diethyl ether, after 30 minutes he added dilute sulfuric acid and isolated the product. Identify the Major product. a) b) c) d)3.0cm³ of redistilled sebacoyl chloride was obtained (density =1.12gcm-3).And dissolved in 50cm³ of dry dichloromethame . 2.2g of diaminohexane was dissolved in 25cm³ of water . 1. Calculate the molar ragione of diamine to acid chloride used 2 .This time using 1.6g of diaminohexane ,calculate the new molar ratioThe distribution ratio of iodine between an organic solvent and water is 8.00. If 50.0 mL of0.100 M aqueous iodine is shaken with 200 mL of the organic solvent until equilibrium isreached, how many milliliters of 0.0600 M Na2S2O3 is required to titrated a 25.0 mL aliquot ofthe organic phase?