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- The alcohol content of hard liquor is normally given in terms of the “proof,” which is defined as twice the percentage by volume of ethanol (C2H5OH) present. Calculate the number of grams of alcohol present in 1.00 L of 75-proof gin. The density of ethanol is 0.798 g/mL. Round off to 4 sig. figures for all calculations made prior to final answer and the final answer should be in 3 sig. figuresIn a solution containing 25ml (NH4)2S2O8 with a total volume = 100 ml =0.1 liters , the solution composition are shown below.Note; the solution require 25ml of 0.2M S2O8^-2.SOLUTION Kl KNO3 EDTA Na2S2O3 STARCH50ml 23ml 1 drop 1 ml 10 dropsExperiment; initial (S2O8-2) =0.05M ; INITIAL (l-)=0.10 Mml of S2O3^-2 added Time in minutes and seconds for color change Cumulative time in seconds Total moles of S2O8^-2 consumed1 1:43 2.0 x 10^-42 1:20 4.0 x 10^-43 1:13 6.0 x 10 ^-44 1.17 8.0 x 10 ^-45 1.24 10 x 10 ^-41a) Find the cumulative time in secondsb) for the runs ,plot mole of S2O8^2- REACTION vs. time in seconds2) Draw a straight line through ( origin ) the points and calculate the slope3) divide the value of the slope by the total volume of ( 0.1 L) to get the rate in units of M/s4) find the rate5 )calculate x and y and kA 500.00 mg vitamin C (MW176.12g/mol) tablet was ground, acidified, and dissolved in H2O to make a 250.0 mL solution. A 50.00 mL aliquot containing vitamin C, KI and starch was analyzed and titrated with 12.31 mL of 0.01042 M KIO3. What is the % (w/w) vitamin C in the tablet? KIO3 + 5 KI + 6 H+ = 3 I2 + 6 K+ + 3 H2O C6H8O6 + I2 = C6H6O6 + 2I- + 2H+ A 67.77 % B 33.89 % C 22.59 % D 3.39 %
- Scenario: you have a very bad head-ache so you run to the pharmacy to grab some medicine and are immediately over-whelmed with your options. You don’t have any allergies or sensitivities to any of the over the counter headache medicines, so you decide to buy the cheapest option to cure YOUR headache.Availability: Excedrin is available as a 200 caplet bottle for $15.51 and each caplet contains 250- mg of acetaminophen (the active ingredient in Excedrin). Advil is available as a 300 tablet bottle for $15.00 and each tablet contains 200-mg of ibuprofen (the active ingredient in Advil). Tylenol is available as a 225 pill bottle for $14.97 and each pill contains 500 mg of paracetamol (the active ingredient in Tylenol).Dosage Information: Paracetamol is dosed at 102 mg per 15 pounds of body mass. Ibuprofen is dosed at 113 mg per 25 pounds of body mass. Acetaminophen is dosed as 240 mg per 35 pounds of body mass.Active Ingredient Information: Acetaminophen has the chemical formula C8H9NO2.…Answer is provided. All I need is solution. Thank you The formula, by weight, or a tube o an ophthalmic ointment is as follows: Sulfacetamide sodium 10% Prednisolone acetate 0.2% Phenylmercuric acetate 0.0008% Mineral oil 1% White petrolatum, ad 3.5 g How much of each ingredient would be needed to manufacture 2000 such tubes o ointment? Answer: 700 g sulfacetamide sodium 14 g prednisolone acetate 56 mg phenyl mercuric acetate 70 g mineral oil 6215.944 g white petrolatumIce cream product was analyzed for fat content. The beaker plus fat is 23.2514 g. Calculate the % fat on dry weight basis if thesample of 12.1147 g with 14.2% moisture content and the pre-dried beaker is weighing 22.8058g.
- 1) How many milliliters of 70% ethanol and 20% ethanol must be mixed to prepare 500ml of 30% ethanol? 2) A gaseous blend of nitric oxide and nitrogen (NOmax) contains 0.09% v/v nitric oxide (NO) and 99.92% v/v nitrogen. Express the strength of nitric oxide in PPM (round to whole number) 3) The ratio strength of a 10mL vial of neostigmine methylsulfate injection USP is 1:1500.Calculate the amount of neostigmine methylsulfate in milligrams contained in the 10mL vial. (Round to the whole number).Questions 4 and 5 pertain to the following scenario: The patient needs 500 g of the above ointment to use as part of phototherapy.4. Calculate the weight of betamethasone 0.05 % (w/w) ointment required, in grams.5. The above ratio is weight-based. Calculate the volume of mineral oil (sp gr = 0.85), in milliliters.A 1 mL microbial suspension comparable to 1 mL of 1.0 McFarland standard was subjected to a series of dilutions. An aliquot of 0.2 mL was transferred into a 100-mL volumetric flask and diluted with sterile saline solution to its final volume. Then a 0.1 mL of the resulting solution was transferred into a 50-mL volumetric flask diluted to its final volume. What would be the final concentration?
- What is the CV of the data below? 2.7 ppm, 3.0 ppm, 2.6 ppm, 2.8 ppm, and 3.2 ppmA sunscreen contains 6% oxybenzone and 3% avobenzone bymass. If a bottle contains 40. g of sunscreen, how many kilogramsof oxybenzone and avobenzone are needed to manufacture1 ton of sunscreen? How many bottles of sunscreen can beproduced for 1 ton of sunscreen?SK weighs 23 kg and mom reports that he consumed 2 tubes of toothpaste that were each 130 g with 0.14% fluoride. What is the total fluoride dose, in mg/kg?