T1,Raria istry Course Home

Q: Using the information below, calculate the percentage w/V of lidocaine (MM (234-34 g/mol) in…

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Q: Gypsum (CaSO4) is one of common precipitants in brackish water desalination processes. CaSO4 ⇋ Ca2+…

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Q: 3. The following analyses were performed for a water sample at 25 C pH [Ca Total alkalinity Total…

A: We have find out the Langelier Saturation Index for this water and also find out this water has the…

Q: An initial dilution was performed by adding 0.2 ml of stock solution to 3.8 ml of diluent. You…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Make a schematic diagram for the procedure below: B. % SO3 determination Dry the soluble sulfate…

A: Given: procedure of % SO3 determination. To find: a schematic diagram for the procedure.

Q: Carboxylic acids, including fatty acids and benzoic acids, are often present in both municipal and…

A: Schematic representation

Q: Hexanoic acid was added to an immiscible biphasic solvent system, water and CCl4 at 20.0OC and the…

A: Given that : At 20.0OC,  The equilibrium concentration (solubility) of hexanoic acid = 3.66 g/L in…

Q: Study the table below and identify the best solvent for recrystallization for compounds A, B, and C.…

A: Solution- Data given- Solubility data in Hot and cold solvent.

Q: Using the given TLC plate can you describe the results and what does the TCL plate tell about the…

A: To describe the results on TLC plate for purity.

Q: You are required to prepare working standard solutions of 1.00 × 10−5, 2.00 × 10−5, 5.00 × 10−5, and…

A: Given  M₁ = 0.100M stock solution V₁ = volume of Stock solution M₂ = Working standard V₂ = Volume of…

Q: Compare and contrast an anticipatory standard to a reactionary standard by listing and describing…

A: In sole proprietorship type of business organization, you would be fully responsible for all debts…

Q: A 1.000-gram sample of NaOH (39.997 g/mol) which has been exposed to the air for some time (NaOH…

A: In the quantitative analysis, the unknown amount of the substances in the sample is determined by…

Q: 3. Carboxylic acids, including fatty acids and benzoic acids, are often present in both municipal…

A: As a result of a thorough waste characterization program and preliminary evaluation of the costs…

Q: If 50 mL of 4% w/v xylocaine solution are added to 100 mL bag of D5W injection, the % concentration…

A: Mass of xylocaine = 50 ml *(4 g/100ml) Mass of xylocaine = 2 g

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: 1. A 4.59 mL sample of HCl, specific gravity 1.3, required 50.5 mL of 0.9544N NaOH in a titration.…

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Q: To determine the soil distribution coefficient (Kd), 10 g of dry soil is spiked with 100 mg of…

A: The distribution coefficient Kd can be calculated using the expression: Kd=Atrazine present in…

Q: Hexanoic acid was added to an immiscible biphasic solvent sysem, water and CCl4 at 20.0OC and the…

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Q: What volume (mL) of the prepared low alcoholic elixir is needed if the prescription requires 120 mL…

A: Given: %(v/v) of the final solution = 35 % Volume of final solution required = 120 mL. %(v/v) of low…

Q: Full Screen Accessibility The Ksp of the phosphate fertilizer CaHPO4 2H20 is 2.7 x 10-7 at 25°C. The…

A: Given: Ksp=2.7 x 10-7  CaHPO4.2H2O --> Ca2+ + HPO42- + 2 H2O                                 s…

Q: A. Determination of Solubility and Ksp 1. Consider 50 mL of a saturated solution of PbC12 at 250C.…

A: Given :  Volume of saturated solution = 50 ml  Mass of solid PbCl2 obtained = 0.54 g

Q: stion 2 24 I -----VIroxide ir - urter 2.5. 9.2 g of lithium peroxide were dissolved in 90.8 g of…

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Q: Q) Calculate the “Chlorine Demand of Water”, if “addition of (i.e. Chlorine added)” 200 kg/d of…

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Q: 10) What is the purpose of a brine wash (saturated sodium chloride solution) in a liquid/liquid…

A: Liquid / Liquid extraction- It is a separation technique used to separate compounds by using two…

Q: Deduce the equilibrium ratio of NH4+ to NO3- at a pH of 6.0 (a) for aerobic water having a pE value…

A: To deduce the equilibrium ratio of NH4+ to NO3- at a pH of 6.0 (a) for aerobic water having a pE…

Q: Volume of dye solution added (mL) 9.80 mL Concentration of bleach solution used (M) 0.090 M Volume…

A: Given data : The concentration of the stock yellow dye in solution in Mole (Mi) is =  3.40 x 10-5 M…

Q: profile-image Time remaining: 00 : 09 : 27 Chemistry A group was given the responsibility of…

A: Solutions- The solubility of three different solvents are given in g/100ml solvent

Q: What percentage of the recommended daily dose of calcium (1,150 mg/day) does 1.0 L of your water…

A: The question is based on the concept of quantitative analysis. We have to calculate 1 litre of water…

Q: Carboxylic acids, including fatty acids and benzoic acids, are often present in both municipal and…

A: As a result of a thorough waste characterization program and preliminary evaluation of the costs…

Q: Which of the following will result in an increase in the calculated Ksp of Ca(OH)2? Receiving flask…

A: Let's check all the given statements.

Q: Use the follow data below and answer the following questions: Component Concentration (mg/L) CO2…

A: Introduction: Lime-Soda process: Lime (Ca(OH)2) and soda [Na2CO3] are used for removing the hardness…

Q: The distribution ratio for X between n-hexane and water is 8.9. Calculate the concentration of X…

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Q: 1. Calculate the Ksp of the following aqueous solutions a) 3.60x10-5M Ag2CO3 b) 4.30x10-3M of Ag+…

A: We have to calculate the Ksp.

Q: The weight of 0.1012 g of magnesium sulphate consumed 14.5 mL of EDTA solution (0.05M). What is the…

A: Given data,Mass of Magnesium sulphate=0.1012gMolarity of EDTA=0.05MVolume of EDTA=14.5mL

Q: In a GC run, dodecane was used as test solute for a 30 m x 250 ?m i.d. DB-5 column. The dodecane…

A: Theoritical plate in chromatography is a key parameter of chromatography. It is a index of coloumn…

Q: • If the unknown is vinegar (Note 1), pipet 25.00 mL into a 250 mL volumetric flask and dilute to…

A: This is acid base titration using phenolphthalein indicator. Vinegar is chemically acetic acid.

Q: A 3mL sample of NaOCl solution was diluted with water and treated with 2g of KI and 10mL Acetic…

A: Here 3ml of sample of NaOCl solution was treated with 2g of KI and 10 ml CH3COOH . The solution…

Q: 2. The solubility of Fe(OH)2is 3.00 x 10-3g in 2.00 liters at 18ºC. What is its Ksp at 18°C? (MW of…

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Q: Lactated Ringer’s/5% Dextrose solution contains: 6 g/L of Sodium Chloride (NaCl MW 58.5) 3.1 g/L of…

A: Each KCl forma 1 potassium ion, K+. Hence mEq/mL of potassium ion is the same as mEq/mL of  KCl…

Q: (a) Based on the tabulated data, prove that the distribution of benzoic acid in water and and…

A: From the data, the ratio of CwaterCbenzene is as follows, Cwater Cbenzene CwaterCbenzene…

Q: Calculate the Debye length (1/k) of the double electric layer near the charged surface in KCl…

A: To calculate: the Debye length (1/κ) of the double electric layer near the charged surface in KCl…

Q: Calculate the AH° of the borate dissolution at 25°C in kJ mol1, if the 22.12 mL of 0.025 M HCI…

A: Solution- Given data- T= 250C =298K  ∆S0 = 61.14 J mol-1 K-1, gas constant = 8.314 J mol-1 K-1

Q: A empty evaporating dish weighs 30.56g. You place 20.0mL of an NaCl solution in the dish plus the…

A: Molarity is the number of moles of solute dissolved in per litre of solution. It is denoted by M.…

Q: A 24 year old graduate student was brought to the ED in a comatose state after being found…

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Q: Carboxylic acids, including fatty acids and benzoic acids, are often present in both municipal and…

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Q: Dissolve 1.7 g in a mixture of 2 ml. of nitric acid (-130 g/l) TS and 40 ml of water, and proceed as…

A: The analyst recorded a weight of 1.8652g of sample using an analytical balance.

Q: Retention factors for three solutes separated on a C8 nonpolar stationary phase at pH = 3 are given.…

A: The given compounds are:

Q: eactant: 0.400g of p-amionphenol (MW=109.1) 0.450 ml of acetic anhyride (mw= 102.1 d= 1.08 ml)…

A: Given : actual yield = 78% mass of acetaminophene = 151.2 g mass of P-aminophenol = 0.400 g (MW =…