Indicate the ionic species of phosphoric acid that predominates at pH 4, 8, and 11.

Q: Rank the indicated hydrogens from most acidic to least acidic: III H2 H,c-Co CHa II O A) I > I| > II…

A: Compounds that are made up of carbon are known as organic compounds. They also possess oxygen and…

Q: Calculate the normality of a solution that contains 4.5 g of (COOH)2 in 3000 mL of solution? (Assume…

A: The concentration of the solutions is measured by different methods like finding molarity,…

Q: A. What is the pH of a 0.15 M solution of acetic acid?

A: The pH of a solution is a measure of its acidity or basicity. It is a scale from 1-14. A lower value…

Q: Calculate the cocentrations of acetic acid (pKa = 4.76) and sodium acetate necessary to prepare a…

A:

Q: Which pH values are considered acidic, basic, and neutral?

A: pH scale indicates the hydrogen ion concentration of that solution. By given pH we can say if that…

Q: Define gamma-crystallin.

A: Crystallin is a water soluble  structural heat shock proteins. They are mainly found in the lens and…

Q: Write the equation for the bicarbonate buffer. What enzyme catalyzes this reaction?

A: The bicarbonate buffer system is the regulation of acid-base in the body and maintains a homeostatic…

Q: What is the approximate concentration of the solution in mol\kg, if 1 mol of solute particles raises…

A: Boiling point elevation describes the phenomenon that the boiling point of a liquid will be higher…

Q: Write equations to show the ionic dissociationreactions of the following amino acids: aspartic acid,…

A: Amino acids are the building blocks of peptides and proteins. Amino acids can be classified based on…

Q: How much water must be added to 300 mL of an aqueous solution of 0.2 M acetic acid in order to…

A: Given : 0.2 M acetic acid solution , volume 300 ml Let C1 = 0.2 M C2 = concentration of acetic acid…

Q: What happens when a strong acid such as HBr is dissolved in water?

A: An acid is a molecule that releases hydrogen ions in a solution and when the solution is of water,…

Q: Using chemical equations, explain how bicarbonate ion and carbonic acid function as a buffer pair.

A:

Q: What is the relationship betweenpKa and the useful range of a buffer?

A: The strength of an acid in a solution can be expressed in terms of the acid dissociation constant…

Q: What are the physical properties of water of physiological importance? Explain

A: Water is a universal solvent with chemical formula H2O which is made up of 2 hydrogen atoms and one…

Q: Define the dehydration reaction ?

A: Chemicals generally utilized in dehydration reactions are concentrated phosphoric acid (H3PO4),…

Q: What is the function of the buffer bicarbonate in the human body?

A: A solution of chemical which resist the change in pH of system is called buffer. It composed of a…

Q: Ag+ , K+ , Pb2+, Zn2+ : Classify the Bronsted-Lowry acidity of these cations

A: Brønsted–Lowry theory, known as proton theory of acids and bases. It stated  that any compound that…

Q: Please balance the following half-based reactions: SbH3 → Sb (acidic solution) BrO3- → Br2 (acidic…

A:

Q: Describe ionization and distinguish between anions and cations.

A: Ion, is any atom or group of atoms with electric charges positive or negative.

Q: what is a hydration number

A: Hydration refers to the interaction of a molecule or substance with water. Water interacts with…

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: How does an electrolyte differ from a nonelectrolyte?

A: Electrolytes and nonelectrolytes are classified on the basis of conductive nature ( ability to…

Q: name common monoatomic anions and cations.

A: Ions are charged atoms or molecules. It is formed due to the addition or loss of an electron by the…

Q: determine the pKa of the acid and ph of the buffer sol'n of a buffer mixed with 0.1 M tris and 0.5 M…

A: Buffer solutions often are weak acid/strong acid and conjugate base. buffers resist the change…

Q: is the ph of 1.0 M with the concentration

A: The level of acidity is determined by the pH. It is used as an indicator to determine the…

Q: What is the ratio of concentrations of acetate ion and undissociated acetic acid in a solution that…

A: pH is a measure of the hydrogen ion concentration in a given solution. It is scale and the value…

Q: Discuss the significance of ph?

A: pH is defined as the negative logarithmic concentration of hydrogen ions in a solution. So, pH…

Q: Define the following: - pH - Buffer - pKa

A: An acid-base reaction takes place between an acid and a base and is used to determine pH. An acid is…

Q: Calculate the fractional charge on ASP at pH 3 using the following pKa values (1. 9.90, 3.90). Write…

A: A total of 300 amino acids are present in the biological system out of the 20 are part of…

Q: What is the final concentration if 239mL of a 3.9M glucose solution is diluted to a volume of 842mL?

A: To solve this we will use the formula - M1xV1= M2xV2

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: Describe the preparation of 2.00 L of 0.100 M glycine buffer, pH 9.0, from glycine and 1.00 M NAOH.…

A: Glycine-Sodium hydroxide buffer is a common buffer which has good buffering capacity. This buffer…

Q: Given the following data plot of the volume of NaOH vs pH a.  what does the values in 1 and 2…

A: Introduction A plot showing the pH of the solution vs the quantity of base added is known as a…

Q: As pH increases, there is increasingly more H+ than OH-

A: The pH of a solution is the log of hydrogen ion concentration with a negative sign. pH = -log (H+)…

Q: Calculate the hydrogen ion concentration, [H+], for each of the following materials: (a) Blood…

A: The pH is the measurement of the hydrogen (H) ion concentration, which is the negative log of the H+…

Q: 2.2 Assuming that the final volume of the solution after the titration is exactly 5 mL, determine…

A: Molarity(M) = [moles of solute(n)]÷[litres of solution (v)] Atomic mass of sulpher= 32+(16×4) =96.…

Q: the vapor phase concentration in ppm(v)?

A: Vapour phase concentration is the amount of water vapor present in a unit volume of air, usually…

Q: if pH level of solution changes from pH 5 to pH 2, how much acidity increased in that solution and…

A: pH is the scale that indicates whether an aqueous solution is acidic or basic.  Mathematically, pH =…

Q: Explain the basis of the formula for TDS, TSS and TS.

A: TDS is defined as the portion of organic and inorganic solids passing through the same filter.

Q: What is the predominant ionic form of ribose-5-phosphate at physiological pH? Would…

A: Ribose-5-phosphate is required by a cell for various functions like the synthesis of nucleotides and…

Q: Determine the pH of a solution composed of 1 M acetic acidand 1 M sodium acetate.

A: pH is a scale that is used to specify the acidity or basicity of an aqueous solution. Acidic…

Q: Refer to the following titration curve below: 13 12 11 10 7 5 4 3 2 4 6 10 12 14 16 18 20 22 24 26…

A: Proteins are unbranched polymers constructed from 22 standard α-amino acids. They have four levels…

Q: What is the total anion concentration (in mEq/L) of a solution that contains 5.0 mEq/L Na+ , 12.0…

A: Introduction: The ionic concentration is the mole ratio between the dissolved substance and the…

Q: What is the correlation in hydration of proteins between the average weight and the ph? see the…

A: Myofibrillar protein : These are the main protein constituents of skeletal muscle tissue and…

Q: The H⁺ concentration in an aqueous solution at 25 °C is 4.3 × 10⁻⁶. What is [OH⁻]?

A: Hydrogen ion concentration [H+] of a solution is expressed in terms of pH. pH is the negative log of…

Q: A saline solution contains 1.00 g of NaCl (molar mass = 58.55 g/mol) in 75.8 mL of solution.…

A: Given Values: Weight of the NaCl used to prepare saline solution = 1 gram The total volume in which…

Q: What is the pH of the following buffer mixtures?                                            (a) 100…

A: Given values: (a) Volume of acetic acid = 100 ml Concentration of acetic acid = 1 M Volume of sodium…

Q: What is the pH of a buffer solution made by dissolving 0.10 mol of formic acid, HCOOH, and 0.10 mol…

A: Since a weak acid dissociates partially in an aqueous solution, the magnitude of dissociation is…

Q: Explain the difference in the melting points of the linoleic acid and linolenic acid:

A: The fatty acids are the compounds that are also present in the cell membranes and allow for the…