What is the role of indicator in determining if the substance is acid or base? (Note that the indicator used was an Eggplant Indicator).
Q: 0.0050 M KOH PH VALUE
A: KOH stands for potassium hydroxide. It is an inorganic compound with the chemical formula of KOH.
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A: N is number of theoretical plates in column Retention time (RT) is a measure of the time taken for a…
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A: Chemical equilibrium is a state in which change in concentration of reactants and products is…
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A: Introduction: Those molecules that convey an electric charge when dissolved in liquid are…
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A: The reaction between an acid and base is called a neutralization reaction. The product obtained is a…
Q: Which Latin word is the word acid derived from? What does that Latin word mean? Why is relying only…
A: The acids called acid because it has few chemical properties.
Q: What is the ideal pH range?
A: higher concentrations of H+ ions
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A: Blood is the primary transport medium of the body of a human being. It transports several components…
Q: A water sample contaminated with chloride ion, how can you estimate the sample purity?
A: Water in its pure form is referred to as the universal solvent. It this form it is tasteless,…
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A: Starch is a homopolysaccharide molecule that was composed of alpha-D-glucose units in 1-4 and 1-6…
Q: Why should we study the strength of acids and bases?
A: Acids and bases are 2 very common terms we ,hear in our daily life. These 2 are present in every…
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A: Answer: Introduction: Diazepam is called as Valium, is a medication of the benzodiazepine…
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A: Henderson Hasselbalch equation can be used to determine the concentration of a weak acid in an…
Q: When conducting a flame test for sodium iodide, is the result positive or negative?
A: An ionic compound is one that is formed between a metal or metalloid and a non-metal. A Flame test…
Q: Which is the stronger acid, ethanol or phenol?
A: An acid is a substance which is sour in taste and releases hydrogen ions when dissolved in an…
Q: In the image above, the substance indicated as B is a(n) ____.
A: Enzymes are biological catalysts that increase the rate of chemical reactions happening inside the…
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A: Brønsted–Lowry theory, known as proton theory of acids and bases. It stated that any compound that…
Q: Which of the following is the weakest acid? Select one: O a. pka=4.02 O b. pka=4.76 O c. pka=3.55 O…
A: The stronger the acid and the weaker the base will be, the bigger the value of Ka. The base will be…
Q: What is the pH of a 0.0032 M solution of NaOH?
A: pH is a scale which is used to specify the acidity or basicity of an aqueous solution. The pH scale…
Q: What is diluted acid
A: Acids are compounds containing hydrogen that can be replaced by a metal. Acid dissolve in water to…
Q: 100 mL of 2.5 X NaOH solution from 50X NaOH solution
A: Given Values: Stock solution concentration (NaOH) = 50 X Final Solution concentration (NaOH) = 2.5 X…
Q: Why is it important to study the strength of acids and bases?
A: Any hydrogen-containing substance capable of transferring a proton (hydrogen ion) to another…
Q: How can a neutral salt be formed from acids and bases?
A: Salts are formed when an acid combines with a base.
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A: Proteins are one of the essential macronutrients for a human body. The building blocks of proteins…
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A: Digestion is a process that involves the breakdown of larger food particles into smaller food…
Q: What is the pH of the solution?
A: pH is the negative logarithm of the concentration of hydrogen ion (H+ ) in a liquid.it is used to…
Q: Will the given lipid test positive in the Ninhydrin test?
A: Ninhydrin test is used to check whether a given sample contains amines or alpha-amino acids. The…
Q: Why do we want to know the pH?
A: pH is defined as the quantitative measure of the acidity or basicity of aqueous or other liquid…
Q: What happens to pH of buffer solutions when small amounts of acid and base is added?
A: A buffer is a solution containing a strong acid and its conjugate base or a weak bases and its…
Q: What happens when hydrochloric acid is dissolved in water?
A: Hydrochloric acid is a strong acid, on dilution in water the hydrochloric acid will dissociate into…
Q: What is the relationship between particle size and the time it takes for the tablet to dissolve?
A: Relation between particle size and time takes for that tablet to dissolve: ? Tablet size increases -…
Q: Define the following terms: a. hydronium ion b. acid c. base d. Ka e. pKa
A: In the solution, when a compound reacts, there is a formation of the product. In the chemical…
Q: If 10g of salt was mixed in 1L water. What percent solution will this be.
A: According to the question,Mass of solute = 10 grams = 10gVolume of water = 1L = 1000 mili Liters…
Q: If a patient is prescribed 300 mg of potassium chloride, what is the corresponding milliequivalent?
A: Drug calculation is a important aspect in calculating the dose based on the BMI ,BSA ,age and body…
Q: How could you prepare 500 mL of a 6.0 M NaOH solution using solid NaOH pellets? What is the percent…
A: Molar concentration is a measure of the concentration of a chemical species, in particular of a…
Q: What happened to the pH when the cola and borax solution was added to the water? Explain
A: Answer. When the cola was added to the water, the pH of the water went from neutral to acidic even…
Q: What is the difference between an antiseptic and a disinfectant?
A: Antiseptic and disinfectants are used to kill germs, bacterias which attack from outer environment.…
Q: rochloric acid Lemon Apple Banana Water Baking soda Drain cleaner Ammonia 12 3 14 Most acidic Most…
A: A solution having a pH value below than 7 is known as an Acidic Solution whereas a solution whose pH…
Q: How does the results of the pH meter and the pH paper compare with each other?
A: pH is the concentration of hydrogen ions present in the given solution. The determination of the pH…
Q: FREE RESIDUAL CHLORINE IS 1. Chloramide compounds 2. hypochlorous or chloric acid 3. haloform…
A: Introduction :- The quantity of chlorine that remains in the water after a given period or contact…
Q: In a base, the hydrogen ion concentration is ____ than the hydroxide ion concentration.
A: In case of water, H+ and OH- concentration is equal. As the ionic product of water at 298 K is 1 x…
Q: what is the is the dilution factor when you add 2 mL ssample of 8 mL diluent?
A: Dilution is a process of changing the concentration of the solution by addition of solvent, which is…
Q: In excess of alkaloidal reagent, did the precipitate formed dissolve or not? What is the evidence…
A: Alkaloid reagents such as tannic acid, potassium iodide, potassium ferrocyanide, or mercuric iodide…
Q: What is the difference between a tincture and an aqueous solution?
A: Given: Explain the difference between a tincture and an aqueous solution
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: What quality of zwitterions makes them desirable buffers?
A: A buffer is a solution that can withstand pH changes when acidic or basic components are added. It…
Q: What distinguishes a weak acid from a strong acid?
A: Base and acid both interact with each other and form salt and water. They both are used in everyday…
What is the role of indicator in determining if the substance is acid or base? (Note that the indicator used was an Eggplant Indicator).
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- The prescriber ordered oxacillin 500mg IM q6h. The instructions on the 2g vial state to reconstitute the powder with "11.5mL of sterile water for injection, yielding 250mg/1.5mL" Whatis the strength of the reconstituted solution? How many milliliters would you administer?Using DEAE-cellulose as ion exhange resin, indicate the starting and ending pH for the narrowest experimental pH range used to seperate an amino acid mixture consisting of Gln, Leu and Lys Starting pH: Ending pH:The physician has ordered 500,00 units of IV Pfizerpen every 4 hours. How much diluent will you add for a concentration of 500,000 units/mL? How many milliliters will you administer?