Please show how the solution of the concentration (the highlighted color) of the unknown solution

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…

Q: How much of the enzyme proteinase k (solute) is required to make 250ml of a solution with a…

A: A protease (also called a peptidase or proteinase) is an enzyme that catalyzes proteolysis.…

Q: which of the following is a characteristic of a buffer? a. The pH will go down significantly when…

A: Buffers are solution which resist the change in pH upon addition of acidic or basic compoents.

Q: volumetric flask is made to prepare a certain chemical concentration through dilution for example if…

A: Asked : There is no volumetric flasks prepare 0.2N of acetic acid from 1 N acetic acid stock…

Q: Which of the following materials will have the greatest effect on colligative properties of a…

A: Pure water and solutions of ionic or covalent compounds behave differently in their physical…

Q: The turn tonicity Refers to the strength of solutions. True or false?

A: The effective osmotic pressure gradient is measured by the tonicity, which is the water potential of…

Q: What volume of 10X TBE buffer should you use to make 100mL of 1X TBE buffer? 10mL 1mL 0.1mL 100mL

A: TBE buffer stands for Tris-Borate-EDTA buffer. It is used for both agarose and polyacrylamide gel…

Q: Molality means Gram equivalent of solute in A 1000ml of solution Moles of solvent in 1000ml of В…

A: Molality , also known as molar concentration is defined as amount of substance dissolved in a…

Q: what is the molar concentration of 80g of glucose dissolved in sufficient water to make two liters…

A: We know, the molecular weight of glucose is 180.1 g/molThe molar concentration of 80g of glucose…

Q: You are instructed to perform the following three serial dilutions of a salt solution: 1:8, followed…

A: Dilution = initial volume / final volume Total dilution = multiply all the previous dilutions

Q: Calculate the mass percent of this solution

A: 16.7 grams in 645 ml solution Density of solution : 1.09 g/ml

Q: Which of the following represents a Buffer solution?

A: Buffer solution can be defined as the solution which resists changes in pH when acid or alkali is…

Q: Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this…

A: pH is a measure of the acidity or alkalinity of a solution. The pH value states the relative…

Q: Amount of water added (mL) Amount of Stock Solution (mL) Final Concentration A Solution 1 0.…

A: The concentration of unknown solution can be calculated from the formula C1V1= C2V2 Where C1=…

Q: You have started with 0.37 g of an unknown acid. You follow the procedure outlined in the video…

A: The scale which is helpful for measuring the acidic nature or basic nature of aqueous solutions is…

Q: Match the following terms:___Solute                       (a) A mixture of two or more…

A: Solution is a homogenous mixture that consists of two or more substances to form a single phase. The…

Q: A can of cola consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes…

A: Answer - Cola consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes…

Q: You have 200 mL of a 1.5 M glucose solution. How many moles of glucose are there?

A: Introduction: Glucose is a monosaccharide and a major source of energy for the living body. The…

Q: A solution at pH 4 is _____ times as _______ as a solution at pH 7.

A: A solution at pH 4 is _____ times as _______ as a solution at pH 7. A pH of 7 is neutral. A pH less…

Q: Using a pH meter, you find the pH of an unknown  solution to be 8.0 how would u describe this…

A: The solution is a mixture of two substances in which one substance dissolves the other substance.…

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…

Q: As the pH increases the [ H+ ] ____, and as the pH decreases the [ H+ ] ____

A: A solution's acidity or alkalinity can be determined by the pH scale, which measures hydrogen ion…

Q: The pH of a solution is an abbreviation conveying what information about that solution? A solution…

A: More the dissolved H+ ions more acidic is the solution, and if the number of dissolved OH- ions…

Q: 10mL of 1x solution from a 2x stock solution.

A: Dilution formula - C1V1 = C2V2 C1 = concentration of stock C2 = final concentration V1 = volume of…

Q: placed in an unknown solution. Micrographs were taken at the start of the experiment and a two…

A: Given information: RBCs are placed in unknown solution Micrographs are taken before the experiment…

Q: To make a 1:100 dilution of a concentrated solution, you could O Mix 1 ml concentrated solution and…

A: Dilution in chemistry is the process of lessening the concentration power of a solute by adding in…

Q: What is the pH

A: This question is based on the Henderson-Hasselbach equation. According to this equation,” when the…

Q: 10 mL of 0.5 M CuSO₄ * 5H₂O solution from 10 M CuSO₄ * 5H₂O solution

A: CuSO₄ * 5H₂O solution is copper sulphate pentahydrate solution. The concentration of stock solution…

Q: Which one of the following is universal solvent? Select one: Ethanol Acid Water Methanol

A: A solvent is a substance that has the ability to dissolve solutes. The mixture of solvent and solute…

Q: Calculate the pH of a solution containing 0.0314 M malic acid and 0.020 M potassium hydrogen malate.…

A: Given Values: Ka1 = 3.48×10-4 Ka2 = 8×10-6 Conc. of malic acid = 0.0314 M Conc. of potassium…

Q: A buffer solution comprises which of the following? O a. Astrong acid in solution O b. Astrong acid…

A: Biomolecules - Biomolecules are the molecules which are present in in living organisms. They can be…

Q: This is uncomplete solution. Please read the question

A: Environmental stress can be defined as the condition that causes deviations from the optimum…

Q: Is a solution highly concentrated if it is saturated? Is a solution saturated if it is highly…

A: A saturated solution is a solution in which the solvent cannot dissolve any more solute to increase…

Q: Using the sodium chloride equivalent method, make the following solution isotonic with respect to…

A: Any solute that dissolves will create an osmotic pressure when the solution is present across a…

Q: Which of the following are solutions?(a) Italian salad dressing(b) Rubbing alcohol(c) Algae in pond…

A: The term mixture in chemistry is defined as a material. It is made up of two or more different…

Q: HOW THE DRAWING, EQUATION, AND SOLUTION

A: With the above diagram, the ratio comes out to be 1:2.

Q: When some of the sugar added to iced tea remains undissolved on the bottom of the glass, the…

A:

Q: A solution contains 40 g of common salt in 320 of water. Calculate the concentration in terms of…

A: Mass per cent is a way of expressing a concentration or describing the component in a particular…

Q: Calculate the amount of each solution needed to make 750 mL if a dextrose 25% solution given only a…

A: Given-  We make 25% dextrose of 750ml by using 60% and 5% dextrose. Use alligation method for such…

Q: How will you know when the endpoint of the titration is reached? Why is it necessary to mix the…

A: Reaction  It is a process in which reactant molecules react to each other and form another molecule…

Q: The pH of a solution is 7, what is the H+ concentration?   Group of answer choices   1 x 10e-7 M 1 x…

A: Introduction: pH is an indicator that helps to determine whether the solution is acidic or basic. It…

Q: determine the amount of solute and solvent needed to prepare to feeding solution for a 12 hour shift…

A: For calculation the solute and solvent, there are two calculations; ratio proportion and formula…

Q: You want to use a serial dilution to make a 1/50 dilution. The first dilution you make is a 1/5…

A: Introduction Dilution is a process by which the concentrations of solute are lowered down in a…

Q: Which biological solution in Data Table II is the most acidic and what information helped you come…

A: PH  represents the degree of H+ ion concentration in a solution. PH scale includes different PH…

Q: Solution A is 20 degrees celsius, Solution B is 80 degrees celsius (both are the same kind of…

A: The amount of heat required per unit mass to increase the temperature by one degree Celsius is known…

Q: Which of the following is TRUE if pH is higher than the pka of the buffer? O [weak acid]…

A: A buffer is a solution that is composed of a weak acid and its conjugate base. The pKa value is the…

Q: Essay type : Answer the following questions. (please intend me atleast 3 to 4 paragraphs) Why are we…

A: Why are we considering water as the universal solvent?

Q: How much of a 5x buffer and how much water should be added to make 1 L of a 1x solution

A: For application, it's normally diluted to a "1X" concentration. A 5X concentrated solution, for…