Q: What is the pH of a solution of 0.12 M of benzoic acid for which PK₁ = 4.20?
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Q: Answer 6, 7 and 13
A: 6--- NH3 7----Ammonia 13---Sn(OH)4
Q: -3.46 What are the molecular masses of the following pharmaceuticals? (a) C33H35FN2O5 (atorvastatin,…
A: Data : The mass number of C= 12 The mass number of O=16 The mass number of F=19 The mass number of…
Q: Based on the TLC plate, what can you deduce A salicylic acid B your synthesized aspirin Ca standard…
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Q: ΔG
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Q: The Ka for HC2H3O2 is 1.8 x 10-5. What is the value of Kb for C2H3O2?
A: Given, Ka for HC2H3O2 is 1.8 x 10-5
Q: OH 1. CH,-PPh; (excess) 1. CH3CH,MgBr A 1. PCC B 2. CH;CHMgBr 3. NH,CI/H,0 2. PCC 2. H,О+
A: First the wittig reagent will react with the ketone to form alkene and then the product react with…
Q: What is the percent strength is 15g tinactin containing 0.15 g of tolnaftate power?
A: Given values -> Weight of tinactin = 15gm Weight of tolnaftate = 0.15gm
Q: 3. The following mineral analysis was reported for a water sample taken from a local NJ well.…
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Q: A mono-acid organic base gave the following results on analysis. C 78.6% H = 84% N = 13%. 0.4 gm of…
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Q: Match three steroid structures shown below to the following values for Ahexane: Compound A, 275 nm;…
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Q: B) A solution mixture of propanoic acid (2.5M) and h N (1.5M), calculate the CN/CH3CH2CO0 ratio.…
A: We have given that A solution mixture of propanoic acid (2.5M) and HCN (1.5M), calculate the…
Q: allergic to the odor of ammonia. You smelled an ammonia solution with the pH 9.3 yesterday and it…
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Q: 1. Match three steroid structures shown below to the following values for Amax : Compound A, 275 nm;…
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Q: Batrachotoxin (C31H42N2O6) is the most potent non-peptide (we'll learn what that means in Lesson 7)…
A: The molar mass of any compound or molecule is sum of the mass of each element present in the…
Q: PP is also taking Advicor, which is a combination product containing extended-release niacin…
A: 1 Stomach pH = 1 1 This is highly acidic medium because pH is equal to one. So at this…
Q: Which of the following best describes the Ksp expression for Pb(OH)2? OA Pb2*1 (2 x [OH]) OB Pb2*1…
A: Pb(OH)2 is sparingly soluble salt. It dissociate partially into the water.
Q: The experimentally determined pK of benzoic acid is 4.06. Calculate the experimental Ka for benzoic…
A: Given, Experimental pKa (of benzoic acid ) = 4.06 Actual Ka value for benzoic acid = 6.3×10-5
Q: A student developed a new dye called Dye C. It was analyzed against other dyes using paper…
A: The developed chromatogram is:
Q: What is the final concentration of hydrocortisone in the mixture, as a ratio strength, if 5 g of…
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Q: One of the comonly used stationary phases in gas chromatography is (Diphenyl)/(dimethyl)1 - x…
A: We know the methyl /phenyl silicone are an important group of silicone stationary phases. Silicones…
Q: 14. After a thin layer chromatography experiment, spots of J, Kand Lappeared 10.1, 7.0 and 2.7 cm,…
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Q: If the Ksp of Ca(IO)2 is 4 x 10-9 and the [Ca2+] is found to be 0.001M, then the [103'] is: O 6.5 x…
A: Since you have asked multiple type questions, we will solve only first questions for you. If you…
Q: The K, for acetic acid (CH,COOH) is 1.737 × 10-5. What is the pK, for this acid? pKa = Use the…
A: We know that, pKa is the negative logarithm of Ka. i.e. pKa= -logKa We have, Ka…
Q: Given the following concentrations of aqueous ions as well as their atomic weight or molecular…
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Q: 3) A solution mixture of propanoic acid (2.5M) and h N (1.5M), calculate the CN/CH3CH2COO ratio.…
A: We have given that A solution of propanoic acid (2.5M) and HCN (1.5M) calculate CN/CH3CH2COO- Ka…
Q: Q4- AGENERASE oral solution contains 1.5% amprenavir. A pharmacist wished to change the drug…
A: Given AGENERASE oral solution contains 1.5 % amprenavir.
Q: A solution is made by dissolving 22.5 g of LiC;H;O2 in 500.0 mL of water. What is the value of Kb…
A: Mass of LiC3H5O2 = 22.5 g Volume ( in L ) = 0.500 L No. of moles (n) = 22.5 g × 1 mol / 80 g =…
Q: Page lipid concentration and volume = 0.11 mm. 40 ML. /S Reagent Concentration = 2mg/mt Reagent Mw =…
A: Given the molarity of lipid solution, C = 0.11 mM Volume of lipid solution, V = 40 μL Required…
Q: If the pKa of an acid is 3.7, what is the Kb value of the acid?
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Q: Phenolphthalein has a pKa of 9.7 and is colorless in its acid form and pink in its basic form. For…
A: Given value from the question, pH= 7.7 pka=9.7
Q: pKa values are different in different solvents. For example, the pKa of hydrofluoric acid (HF) in…
A: Acid dissociation constant, Ka is a measure of acid strength. Higher the Ka, higher will be the acid…
Q: What is the [acetate]/[acetic acid] ratio with a pH of 4.39? Provide an answer with 2 significant…
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Q: 4, 5 and 6 thank you!
A: Units describe the amount and the physical nature of the substances, and provide context and scale…
Q: Two pKa values are reported for malonic acid, a compound with two COOH groups. Explain why one pKa…
A: pKa is inversely related to the acidic strength of the compound or Ka value which means greater the…
Q: A certain compound was known to have a formula which could be represented as [NİCXHYNZ](CIO4)2.…
A: We have 3 unknowns, x, y, and z. Hence we need at least 3 equations to solve for x, y, and z.
Q: kb = 1.8 x 10-5 What is pkb, pka, and ka when kb is given
A: Given in formation is as follows: Kb = 1.8×10-5 Where, Kb is the dissociation constant of a base.…
Q: Calculate the weight percent of ascorbic acid in tablet of vitamin c from the following data . A 80…
A: The balanced reaction equation which are used in titration are :· IO3- + 8 I- + 6 H+ →…
Q: What is the percent strength of 15 g Tinactin containing 0.15 g of tolnaftate power
A: Given : Mass of Tinactin = 15g Mass of tolnaftate power = 0.15g
Q: D Question 9 By what physical property of the protein does SDS-PAGE technique separate different…
A: The first thing to know about how SDS-PAGE works is that it separates proteins according to their…
Q: Proin is used to treat urinary tract infections. The molecular formula of Proin is Cg H13NO.
A: Given: Weight of Max = 30 Kg Dose of Proin = 2.2 mg/Kg Molar mass of Proin (C9H13NO) = ( 9× 12 +…
Q: 3. A standard lactose solution contained 0.45 mg/mL of lactose and 2 mL were used for the…
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Q: Lactic acid has a pką of 3.08. What is the approximate degree of dissociation of a 0.42 M solution…
A: 1- Ka value from pKa : We know that, pKa = -log(Ka) -pKa = log(Ka) 10-pKa = Ka Ka = 10-3.08 Ka…
Q: Given a Ksp (ZNC2O4) = 7.5 ´ 10- . Kbi = 1.8´ 10-10 Kb2 = 1.8 ´ 10-13. %3| What is the solubility of…
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Q: Which of the following is equivalent to the overall concentration of Mg-EDTA near the endpoint? a.…
A: Estimation of hardness of water using EDTA.
Q: Barium sulfate is a contrast agent X-ray scans that are most often associated with the…
A: Given data contains, The volume of the solution is 100.0 mL. Ksp of BaSO4 is 1.5×10-9.
Q: A. Weight of urea B. Weight of water C. Boiling point of distilled water D. Boiling point of urea…
A: Molecular weight of urea can be calculated using colligative property of elevation in boiling point…
Q: You would like to calculate the concentration of a protein in a solution measured in a 96 well…
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- C7H6O3 + C4H6O3 <-> C9H8O4 + C2H4O2 1.0g of salicylic acid reacts completely with an recess if acetic anhydride. Whats the theoretical yield of aspirin in G?A 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?How do you find weight of Na2C2O4 in unknown?
- What mass of sucrose, C12H22O11, must be dissolved per liter of water (d= 0.998 g/ml) to obtain asolution with 2.75 mole percent C12H22O11?1. Steroids are compounds that contain a/an ______________ known as cyclopentanoperhydrophenanthrene (CPPP) a. Cyclic Steroid Nucleus b. Acyclic Steroid Nucleus 2. It is important precursor for vitamin D. a. Ergosterol b. Cholesterol 3. What is the empirical formula for cholesterol? a. C26H460 b. C2 7H460Cassava tuber has a composition of 5.76% moisture, 6% protein, 0.2% fat and 34.3 total carbohydrates, 1.6% fiber and 0.3% ash. Find the composition on dry basis.
- What is the equivalent weight of the following? a. C6H5COOH b. Na2CO3 c. H3PO4What is the (a) molecular weight of glutathione (C10H17N3O6S)? If 30 grams of glutathione is dissolved in a solution, what is the: (b) number of moles of Glutathione, (c) millimoles of N, (d) number of O atoms, and (e) grams of H.Determine the molecular weight (mw) of the following. A. Propane C3H8 B. Aspirin, C6H4(CO2H)(CO2CH3)
- Even though you used different amounts of NaSCN for each test mixture the values of Kc you measured for each should be similar. Explain why you obtained a similar value of Kc even though each mixture had a different [SCN- ]init. Hint: consider the [Fe3+ ]eq and [FeSCN2+]eq in each mixture.Question: Why are we using this materials in the experiment is there any reason why we using it? Quantification of Total Protein in Serum Experiment; Materials: Fatty acid free beef albuminl solution: 100 g / L Reagent Ⅰ Sodium potassium tartrate 9g / LSodium hydroxide 0.2 mol / L Potassium iodide 5 g / L Reagent Ⅱ Serum from blood Copper sulphate solution: 150 g / L Working solution: 5 ml of reagent copper sulphate solution is prepared by mixing into 1 L of reagent Ⅱ. This reagent is stable for 6 months at 2-8 ° C Procedure: *Three test tubes are taken. These are marked as blank, standard and sample tubes.*Only 5 ml of working solution is put into the blank tube.*0.1 ml reagent I and 5 ml working solution are put into the standard tube.*0.1 ml of serum and 5 ml of working solution are put into the sample tube.*After mixing each tube separately, it is waited for 30 minutes at room temperature and measured at 545 nm in the spectrophotometer.*Color permanence is…The aspirin we made in lab gad 125-133 melting point and I attached the IR. Base on this information, does it mean we made aspirin? The percent yield was also less than 50. Was the synthetic method employed ab effective method for the preparation of aspirin? please explain your answer.