Lemon juice has a pH around 2.5. Milk has a pH around 6.5-7. Which of the following statements about these two liquids is true?

Q: A solution is made by dissolving 9.5 g of sucrose, C12H22O11 (molar mass 342.3 g mol-1) in water to…

A: Molarity of the solution is defined as the mole of solute, which is dissolved in the per (L) liter…

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Q: Five fatty acids' classifications are shown below. Which one would you expect to have the lowest…

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

Q: You own a compounding able pharmacy and are presented with a presciption for fortified gentamicin…

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Q: Prepare 200 ml of a 0.125 M stock of NaCl from a 1 M concentrated stock solution of NaCl.

A: An artificial nutrient medium contains nutritional components like sugars, salts, amino acids, etc.…

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Q: In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M

A: The acidity of any solution is determined by the molarity of the Hydrogen ions. So, the pH of any…

Q: reagents you used in class. Here are the te Blender 1 Blender 2 Biuret + Sudan + + Be +

A:

Q: You have a 62% dextrose solution. How many mL will give you 35 g of dextrose?

A: Carbohydrates are molecules that include carbon, hydrogen, and oxygen and have the formula (CH2O)n.…

Q: You want to make a solution that is 1x TE AND 10% glycerol in the same solution. You have the…

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Q: Which of the following is a fatty acid with this notation, 16:0     Stearic acid     Myristic…

A: Fatty acids are important micromolecules which combine together to form lipids in plants, animals…

Q: The pKas of two hypothetical organic acids are given below: ACOOH ----> ACOO- + H+ (pKa = 4.15)…

A: According to Henderson and Hesselbach equation.PH = Pka + log [A-] /[ HA].So if the acid is soluble…

Q: It is possible to make a buffer that functions well near pH7 using citric acid, which contains only…

A: Citric Acid is a type of weak acid with a pH of 3 to 6 and is commonly used as a buffering agent,…

Q: The melting points of stearic,oleic and linoleic acids are 69C,13C, and -5C, respectivley. Explain…

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Q: What will you observe when samples of these fats and oils are tested for unsaturation with bromine…

A: Fatty acids are building blocks of fats. Fats are one of the major biomolecules. Fatty acids can be…

Q: Draw an approximate titration curve of glycine. Label the approximate isoelectric point of the…

A: A titration curve is a graphical representation of the pH of a solution as a function of the volume…

Q: Demerol 25 mg IM is ordered stat. On hand is Demerol 100 mg per 2 ml. How many ml would you give?

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Q: Aspirin (acetylsalicylic acid, structure below), has a pKa of 3.5. The pH at which aspirin is most…

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Q: You are given two proteins with a pI of 4.5 and pI of 7.7. In an example of an anion-exchange…

A: Ion exchange chromatography is an isolation and purification technique used to separate biomolecules…

Q: Consider the following compounds. Sablabla CH3 H₂C H₂C CH3 2 3 Use the numbers shown to answer the…

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Q: What is the isoelectric point of casein? Please choose one correct answer only. A. pH 6.6 B. pH 5.6…

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Q: ratio [CH3COOH]/[N2CH3COO]

A: The dissociation equation for CH3COOH is: CH3COOH <-----> CH3COO- + H+ So the expression for…

Q: You need to make a protein buffer of: 100 mM NaCl ⚫ 25 mM Tris 8 • • 5% w/v glycerol 2 mM DTT Your…

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Q: O E A D a) purine, RNA O c) purine, DNA b) pyrimidine, RNA HC CH₂ d) pyrimidine, DNA CH CH-CH | →OH…

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Q: Based on the pH of your drug, if your drug was in a high concentration in the blood, how would it…

A: The drug captopril is used to treat Hypertension and conditions of heart failure as it vasodilates…

Q: Convert the following to mL or μl: 700 μl 50 μl (approximately 1 drop of water) 2000 μl 5 ml 3x 106…

A: 1 mL = 1000 µL 1 µL = 0.001 mL

Q: You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA.  You have stock…

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Q: You have a 15% (m/v) solution put any units in your answer, ju

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Q: 2.5 2 1.5 1 0.5 0 Mike has determined that enzyme he is attempting to purify has an isoelectric…

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Q: Convert the following pH values in both [H+] and [OH-] values. (6 points) 1. pH  =  3.95…

A: According to the definition of pH, pH = -log [H+]. According to the definition of pOH, pOH = -log…

Q: The table below shows the pH values of some different foods. pH of Foods Substance Approximate pH…

A: A pH refers to the unit of measure that determines the acidity or alkalinity of the solution. Its…

Q: Soft drinks usually have a pH of approximately 3.1. What is the [H3O+] concentration in a soft…

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Q: A solution has a pH of 5.4. What is its pOH O5.4 8.6

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Q: Your supervisor asks to make 350 mL of a 0.75% (w/v) starch solution using a 5% (w/v) stock…

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Q: A prescription came in for 34% salicylic acid. The pharmacy has 95% salicylic and 10% salicylic acid…

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Q: At pH 10, [OH-] is—     10 M     5 M     10-10 M     10-4 M     0.0000001 M

A: pH is the measure of the relative amount of free hydrogen and hydroxyl ions in the water. A pH of…

Q: calculate the amount  of that food that you would need to ingest for it to be fatal to a human…

A: Food can be defined as one of the basic necessities of life. They comprise of substances known as…

Q: The PH formula is given as PH=-log(H+).  The H+ is the number of free ions of hydrogen.  A seven PH…

A: pH means "Power of Hydrogen" or "Potential of Hydrogen". pH Scale is a scale used to quantify and…

Q: The iodine contained in every one mL of the 0.010 M iodine solution in the buret will react with…

A: Titration is a common laboratory method of quantitative chemical analysis to determine the…

Q: used as a what would be the ratio of conjugate base to weak acid in a pH 7.00 C Choose the on

A: Cysteine is a sulfur containing  amino acid. Given, pKa's of cysteine 1.92, 10.70 and 8.37 Amino…

Q: 12- 10- 8- 6- 4- 2- 0- 20 40 60 80 Volume of NaOH (mL) Hd

A: The titration curve is the graphical representation of pH. The pH is greater than 7 for weak acid…

Q: Which of the following has the compounds shown in the correct order of decreasing acidity (i.e.,…

A: Step 1: • Let's understand step by step: 1) Acidic Behavior: A compound is considered acidic if it…