Physical Properties of Urine Properties Observations Color and Odor   pH using universal indicator

Q: Determine the concentration of H2SO4 when 10 mL of the surround water was collected near the C & H…

A: The titration of H2SO4 by NaOH takes place as, H2SO4 + 2 NaOH  ------>  Na2SO4 + H2O At the…

Q: pka=pH halfway to the equivalence point. what is the equivalence point volume? it says to do so by…

A: Introduction: Titration is the process to find concentration of unknown solution using known…

Q: Need solution urgently

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: I mixed hard water or tap water or soft water 5ml + pH buffer 1ml + 3 drops of indicator + EDTA xml…

A: Hard water refers to the water sample that contains soluble salts of calcium and magnesium. It does…

Q: The labels came off four cleaning solution containers found under a k ink. Each of the cleaning…

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Q: Calculate titre of potassium dichromate, in case when 500 ml of the solution contains 1,2230 g of…

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Q: How can you get the bottom of the meniscus to the volumetric line of the pipette?

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Q: Formaldehyde. Qualitative and quantitative analysis.

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Q: We started with 20 mL 1 M acetic acid ~ 0.020 L acetic acid in a flask. (Ka acetic acid =…

A: Millimoles of acetic acid taken=Molar concentration of acid×mL of acid=1 M×20 mL=20 mmol

Q: Cite some advantages of using the pH paper than the pH meter and vice versa.

A: pH paper and pH meter both are use to determine the acidity of the sample.

Q: Calculate the concentration of acetic essay and a sample of vinegar tested. 5.0 ML of vinegar…

A: At equivalent point, the number of moles of acid should be equal to number of moles of base. Moles =…

Q: When performing a titration in the lab, which equipment is not used? 1. burette 2. pipette 3.…

A: Titration is the process of chemical analysis in which quantity of some constituent of sample is…

Q: Aside from titrimetric method, name at least two more methods of analysis that can be used for…

A: Alkaloid are naturally occurring, nitrogen containg ,organic bases. For example: morphine , nicotine…

Q: if concentrations of [H+] in three fluids are 5.2*10-6M, 5.2*10-4M and 5.2*10-2M, what is the pH of…

A: An acid gives hydrogen ion ( H+ which is responsible for acidity of a solution. Now pH of a solution…

Q: In the conductivity test, _____________________ will result to a dimly lit light bulb. a. 1.0 M…

A: The A) , C) , D) will result in dimly lit the bulb.

Q: Which of standard substance (or standardized solution) is correct for standardization of NaNO2:…

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Q: 0.2061 grams of an unknown organic acid was dissolved in about 50 mL of water in a 250 mL Erlenmeyer…

A: Given values :- Mass of unknown compound  = 0.2061 grams Volume of water used (V1) = 50 mL Molarity…

Q: A lab wishes to analyze apple juice. They would like each milliliter of titrant equal to 0.1% of…

A: The titrant=0.1% Volume =10ml  Equivalent weight of malic acid is 67 Normality =?

Q: What is the acceptable pH range of urine? Cite the factors that can contribute to the changes in pH…

A: Urine is the  liquid by-product of metabolism  reaction  in human and other  animals. If the pH is…

Q: Note the following indicators and their endpoints: Thymolphthalein (9.9) Resazurin (5.1) Phenol…

A: Indicators are the chemical species which show characteristic color in a solution for the…

Q: Which of the following are first aid measures for glacial acetic acid? Select one: a. If swallowed,…

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Q: Which of the following will show a Tyndall Effect? Select the correct response: Aqueous solution of…

A: Tyndall effect is an optical property of a colloidal solution. When a beam of light passed through a…

Q: A urinary sediment analysis reveals high levels of struvite (magnesium ammonium phosphate) crystals.…

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Q: 20.0 cm3 of a H2C2O4 solution required 8.60 cm³ of a 0.2010 M solution of sodium hydroxide for…

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Q: Table 3-1. Absorbance Readings of Beet Solutions after Exposure to Various pH Buffer Solutions pH of…

A: A question based on Beer-Lambert law, which is to be accomplished.

Q: The analysis of a water is as follows Ca+ 78 Alkalinity SO42- C pH 282 96 8.1 Nat- Mg2+ 30 K+ Specie…

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again

Q: phenylphthaline indicator used in . Experiment. Select one: O a. Vitamin C O b. Bleach analysis O C.…

A: The question have spelling mistake in phenyphthaline. The answer will be according to…

Q: . Presence of interfering contaminants in the sample is an example of this error. 2. A substance…

A: Answer- Errors in measurements-  There are different types of errors.

Q: Determine the volume of KOH consumed by 1-g fat (in ML), Weight of KOH (in g), and Saponification…

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Q: 200 ml of a water sample required 20 ml 0.025M Hydrochloric acid using methyl phenolphthalein. What…

A: V1 = Volume of the acid  V2 = Volume of water sample  N = Normality of HCl

Q: Experiment No. 10 QUALITATIVE ANALYSIS OF GROUP V CATIONS Table 1. Flame Test Cations Color…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 ml of mixture…

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Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: Analytical chemistry is branch of chemistry in which instruments are used to separate, identify, and…

Q: Define olfactory indicators. Name two subtances which can be used as olfactory indicator ?

A: Various receptors like olfactory receptors, photoreceptors, thermoreceptors, and gustatory receptors…

Q: If 20 mL of a hydrochloric acid solution (HCl) required 18 mL of a sodium hydroxide in a titration…

A: Given that, Volume of HCl = 20 mL Volume of NaOH required for neutralization of 20 mL HCl  = 18 mL…

Q: A 0.300-g feed sample is analyzed for its protein content by the modified Kjeldahl method. If 25.0…

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Q: Question - Dialysis is a common technique used to change the buffer a protein sample is found in. It…

A: Micro pores sizes are smaller than the proteins and hence the protein can separate from the sample.

Q: Formulate a hypothesis regarding the solubility of aspirin at different pH. The experiment A) Three…

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you…

Q: 15 10 10 12 16 18 20 22 24 Volume of NaOH Added (mL) Where is the equivalence point?

A: Equivalence point: The point at which the moles of acid added equals the moles of base that you…

Q: What is the difference between analytical grade salt ( NaCl) and store-bought salt

A: Analytical grade refers to the purity of the substance. The pure substance are used in laboratories…

Q: Matching type. Identify the color of each sample using a specific indicator. 1. Vinegar - Methyl…

A: Each indicator gives a specific color in a specific pH range.  Hence the color of each solution…

Q: Draw and label the parts of a Clavenger Apparatus.

A: Clavenger apparatus is one of the setup to extract the volatile oils.

Q: Which of the diet sodas have the highest concentration of caffeine? Which standard best reflects…

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Q: Solvent Isotonic Hypertonic Hypotonic What is Iodine used to detect? Describe the assay/test. What…

A: Solution- A homogeneous mixture of two or more substance is known as solution.

Q: serum sample of 3mL is analyzed for nitrogen by modified Kjeldahl. The sample is digested,…

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Q: The egg phospholipids act as emulsifying agent in the formulation. Depending on the pH, they may be…

A: The DLVO theory is named after Derjaguin, Landau, Verwey, and Overbeek. DLVO theory is a theory of…

Q: Calculate the concentration of chloride ions in a 100.00mL water sample if 18.00mL of 0.100N AgNO3…

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Q: Industrial wastewater containing a high concentration of ammonia is blown with air. the pH of the…

A: Industrial waste water contains high volume of ammonia. There are several process to remove ammonia…

Q: 150.0 mL of 0.27 M HF with 230.0 mL of 0.30 M NaF The Ka of hydrofluoric acid is 6.8 x 10-4. Express…

A: A particular solution holding the capacity to resist its pH alteration even on the addition of…