How is molarity defined?
Q: What are Ionic interactions?
A: Electrostatic attraction is the attraction between atoms that have opposite charges. There are four…
Q: What is the difference between molecular mass and formula mass? Between molecular mass and molar…
A: Atoms are the basic building blocks of matter. Molecules are defined as the particle contains two or…
Q: What is the molarity of a 30% solution of NaCI
A: Let us first define the percentage solution : 30% NaCl solution= 30% w/v solution = 30g/100 ml.Since…
Q: How many grams is one mole of potassium chloride KCI?
A: Moles : unit of concentration Mole concept is used to convert mass and number of particles. 1 mole…
Q: What is meant by the term “two-dimensional fluid”?
A: Answer: Introduction: In 1972, Singer and Nicolson proposed the fluid mosaic model of the plasma…
Q: Find the molarity of a solution that is made by dissolving 76.54g NaCl in enough water to make a…
A: Molarity is used to describe the concentration of a solution. It is the number of moles of solute…
Q: What is 80.1ml in liquid volume?
A: The volume of an object is defined as the 3-D (three-dimensional space) present within a closed…
Q: What is the purpose of calculating the percent citric acid?
A: Introduction Citric acid is a weak organic acid and a component of fruits and vegetables, mainly…
Q: What is the molar mass of diazepam (Valium), C16H13ClN2O?
A: Diazepam brand name is valium. It belongs to benzodiazepine family medicines which produce a calming…
Q: What kind of Biomolecule is Sodium Aluminium Phosphate?
A: Sodium aluminium phosphate describes the inorganic compounds consisting of sodium salts of aluminium…
Q: Calculate the percent by mass of a solution that is prepared by dissolving 385 grams of potassium…
A: Weight percentage %= [Weight of solute]/Weight of solvent+ Weight of solute x 100
Q: Why does buffers is significant inside a human body?
A: A buffer system is a solution that resists a change in pH when acids or bases are added to it.…
Q: What is meant by ph?
A: pH is abbreviated as the power of hydrogen or potential of hydrogen.
Q: what is a hydration number
A: Hydration refers to the interaction of a molecule or substance with water. Water interacts with…
Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…
A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…
Q: Antacids are a common over-the-counter remedy for heartburn, a condition caused by an verabundance…
A: Antacids are a group of medicines that facilitate to neutralise the acid content of your abdomen.…
Q: What is the pH of 1.77 M HCI solution? Your Answer: Answer
A: pH: It uses to measure the acidity or basicity of a solution. It is measured on a scale of 1 to 14…
Q: Which lipid sample is soluble or miscible in water? Explain.
A: Lipids are macro molecules that consists of monomers of fattyacids. Fattyacids are esterified to…
Q: what is the ph scale?
A: The questions ask to define the pH scale.
Q: What are buffers and why is it important in biochemistry?
A: Any solution that resists the change in acidity and basicity of the solution. It helps in…
Q: How do buffers work?
A: Buffers are the solutions which resist the change in pH even after the addition of small amount of…
Q: What does pH measure?
A: pH is defined as a measuring scale used to measure the two nature of solution as acidic and basic.…
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: What properties of metal ions make them useful cofactors?
A: Enzymes are known as biological catalysts that help to catalyze the different biochemical reactions…
Q: Why is ice less dense than water?
A: In Ice, each oxygen atom is surrounded by 4-H atoms at the corner of a tetrahedron.
Q: what does ph mean
A: We have to define pH.
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: 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: What Are Buffers, and What Do They Do?
A: Buffers : A buffer is a solution of a weak acid and its conjugate base that has the ability to…
Q: How is the molality of a solution different from its molarity?
A: A solution is composed of solute and solvent. The relative amount of solute and solvent present in a…
Q: Is lysine a suitable buffer at acidic, neutral, or basic pH range and why? What are the functions of…
A: Amino acids are the polymers that synthesize the proteins by joining together with the covalent…
Q: How many grams is one mole of potassium phosphate K2HPO4 is?
A: MOLE is the unit of measurement for amount of substance in the International System of Units. A mole…
Q: What is the molarity of a solution with 100 g fructose dissolved in 0.7 L water?
A: Fructose is a carbohydrate or a sugar molecule and is a monosaccharide. It is found mostly in…
Q: How is pH defined?
A: Acidity is the measure of the amount of free hydrogen ions in a solution. It is measured on the…
Q: Define the mole, and calculate the molar mass of a compound from the molecular formula.
A: The mass of substance present in a sample of a given compound is divided upon the amount of…
Q: Which are the Trace Elements: Less than 0.01% of Total Atoms in the Body?
A: On Earth, 92 elements are found in their native state. Only 11 of these elements are present in…
Q: If there are 15 mL in one tablespoon, how many milliliters are contained in 3.5 tablespoons of a…
A: 1 tablespoon contains 15ml of medication (Given) 1 tablespoon = 15ml (a) 3.5 tablespoon of liquid…
Q: What is the pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid (CH₂COOH) (K. = 1.7 x…
A: The pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid to 125.0 mL of 0.15 M sodium…
Q: How do you think fluorocitrate can be formed?
A: Fluorocitrate is the fluorinated carboxylate ion that is derived from citric acid by substitution of…
Q: What is concentration?
A: In biology, we measure some of substances. Also, perform various tests where we prepare various…
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: If you mix 9 g of NaOH with 90 mL of water, what is the mass/volume (g/mL) concentration of the…
A: Given Values: Weight of NaOH = 9 gVolume of the water to be mixed with 9 g NaOH= 90 ml
Q: The ph value of human blood is_____?
A: The maintenance of blood pH within the body is an essential for health. Multiple human body systems…
Q: Why are buffers important in living systems?
A: Many biochemical processes require the maintenance of pH within a narrow range for proceeding at the…
Q: Are naturally occurring pH buffers present in living organisms?
A: pH refers to the hydrogen ion (H+) concentration in a solution. The pH scale ranges between 0 to 14…
Q: What compounds tend to be non-electrolytes? What are the exceptions?
A: A substance that dissolves in water is classified according to whether they yield molecules or ions…
How is molarity defined?
The most common method used to express the concentration in the laboratory is molarity (M). Molarity is defined as the 'number of moles of solute dissolved per litre of solution'. Molarity is denoted by the latter 'M'.
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- The molar stability of mercury (II) sulfide is below. What is the Ksp ?What is the molarity of a solution that contains 50.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol) in 160 mL of solution?What are the molarity and the normality of a solution made by dissolving 25 g of citric acid (triprotic, C6H5O7H3) in enough water to make 800 mL of solution?