There are several different units that biochemists use to describe the concentration of a solution. Given that BSA has a molecular weight of 80,000 Daltons (or g/mol), please calculate the concentration of a solution containing 10 pg BSA in 15 pL water in the following concentration units: iv.Molarity (uM) v.Mass per volume (mg/mL) vi.% w/v (% weight per volume)
Q: Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)
A: Molarity is the number of moles of solute per litre of solution.
Q: When 50 grams of KCI is dissolved in 100 grams of water at 50 °C, the solution can be correctly…
A: Introduction: The solid substance that can be dissolved into a liquid is referred to as solute. On…
Q: A beaker with 1.40x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The…
A:
Q: Based on the ternary phase diagram, a binary mixture of furfural and water will always split into…
A: * Ternary diagram is triangular coordinate system with axes at edges these are used to plot three…
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: Which of the following substances will have the greatest lattice energy? MgS NaF MgO CaO
A: Lattice energy can be defined as the energy required to convert one mole of an ionic solid into…
Q: 0.47 absorbance/ 4713.6 mol/L = In scientific notation please & 0.57 abosorbance/4713.6 mol/L=
A: Beer-Lambert law states a linear relationship between concentration and absorbance. When…
Q: 2. Four unidentified solutions of equal concentration (0.1 mol/L) were prepared by chemistry…
A: The acidity of a solution is dependant on the concentration of protons or hydronium ions in the…
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 do you call to the unit amount of a substance used for measuring large quantities of very small…
A: The mole (particularly millimoles and molarity) is a commonly used unit in medicine. For example,…
Q: How much sodium formate (HCOONa, 68.0069 g/mol) do you need to add to 400. mL of 1.00 M formic acid…
A: Given: Volume of formic acid = 400. mL pH=3.500 Ka = 1.77 x 10¯4 To calculate: Mass of sodium…
Q: What is the molarity of a solution that contains 50.0 g of vitamin B1 hydrochloride (molar mass =…
A: When the ratio of the number of moles of solutes and per litre solution occurs, then the compound's…
Q: If the pH of a voledronic acid solution is 5.8, and the voledronate concentration is 9 mM, what is…
A: Henderson Hasselbalch equation can be used to determine the concentration of a weak acid in an…
Q: Now calculate the slope and equation for the best fit line. You may use excel
A:
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: Using your calculated concentration from the graph (in mol Cu2+/L) and the concentration of the…
A:
Q: You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA. You have stock…
A: BSA is a globular proteins which is a well studied proteins and used as standard protein molecule in…
Q: Calculate the [H+], [OH-], and pH of the substance with pOH value of 4.82. Determine whether this…
A: A substance that donates hydrogen ions and accepts a pair of electrons during a chemical reaction is…
Q: How many molecules of NaCl are there in 5.0 mL of a 5 M (mol/L) solution of saltwater?
A: Given Values: Volume of NaCl = 5 ml Concentration of NaCl = 5 M Molecular weight of NaCl = 58.44…
Q: Kaochlor, a 10% (m/v) KCl solution, is an oral electrolyte supplement administered for potassium…
A: Kaochlor is potassium chloride oral prescription which is used to treat and prevent low potassium…
Q: For a powder binding process that mixes a 1:2 volume ratio mixture of semi-crystalline polyethylene…
A: Given: Density of semi-crystalline substance = 0.900 g/cm3 Density of crystalline substance = 0.998…
Q: You will be given a stock solution of the dye EVANS BLUE dissolved in distilled water whose…
A: Scientists use molarity to describe the concentrations and it tells us how much solute is dissolved…
Q: You have a 20% stock of NaCl, a 30% stack of KHPO, 2.5 M NH CI and 10 mg/ml stock of ampicill a. How…
A: The total number of shares that are literally listed (bought and sold) throughout the business day…
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: Which of the following combinations would be the best choice to buffer the pH of a solution at…
A: Ans- NaH2PO4 and Na2HPO4 would be the best choice to buffer the pH of a solution because it has pka…
Q: Describe the preparation of the following solutions include all mathematic calculations and…
A: Solution is a homogeneous mixture of solute and solvent. Concentration of solution is the amount of…
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: 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: 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: How many moles of Nal would be found in 250mL of a 4.5 M solution? Write your answer with three…
A: Molarity (M) is calculated as the number of moles of solute per liter of solution (moles/Liter).
Q: A 0.10 M solution of the deadly poison hydrogen cyanide, HCN, has a pH of 5.2. Calculate the [H3O+]…
A: The hydronium ion concentration can be found from the pH by the formula [H3O+] = 10-pH or [H3O+]…
Q: Calculate the molarity (M) of a 65% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).
A: The molarity of a solution is defined as moles of solute in per litre of solution. To calculate…
Q: Calculate the pH of the solution that results following addition of 10 mL of 1 M NaOH to 40 mL of 1…
A: Henderson-Hasselbalch equation gives the pH of the solution and relates to the concentration of…
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: 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: Assume that you have a stock solution of 10% SDS and you need to make 150 microliters of 0.5% SDS.…
A: Stock solution (SDS) = 10%Concentration of stock solution = 10g of SDS/ 100ml of water.Similarly,…
Q: Describe the packing of atoms/ions in the crystalline material of MgO.
A: Asked : MgO packaging of atoms.
Q: How many more H+ ions does soda pop have compared to pure water?
A: The pH is defined as hydrogen potential. The pH scale is used to measure the solution whether it is…
Q: The pH probe/meter uses following equations: Ecell = L + 0.0592 log a1 = L - 0.0592 pH Where L =…
A: Asked: Correct option out of the given options
Q: Calculate the plane density of (110) plane at BCC sbructure Crystal : 2
A: For this (110) plane there is one atom at each of the four cube corners through which it passes,…
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: How many liters of a 7 M NaOH stock solution would you need to make 780 mL of a 153 mM NaOH…
A: Molarity is defined as the number of moles of solute present in a liter of solution. Molarity =…
Q: An aqueous solution is 22.0% by mass ethanol, CH3CH2OH, and has a density of 0.966 g/mL. The…
A: Introduction: Molality is the ratio of the number of moles of solute per kilogram of solvent. Its SI…
Q: The pOH of a basic solution is 3.75. What is [H⁺]?
A: pH= 14-pOH =>pH= 14-3.75= 10.25 The [H+] ion concentration is inversely proportional to its pH.…
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: Explain how you would prepare 100ml of 10mMProline solution given that the molecular mass of…
A: Proline : It is an amino acid, plays an important role in plants. It protects the plants from…
Q: 3. a) An aqueous solution is 3.50% by mass potassium bromide, KBr, and has a density of 1.02 g/mL.…
A: a)The molality of potassium bromide in the solution is m = (3.50 g…
Q: If your 16x concentrated stock solution contains 20g of Nacl per liter, how much NaCI would one…
A:
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
- 200 microliters of a standard solution of 0.200 mg/mL caffeine was mixed with 4.8 mL of 50 mM sodium phosphate buffer, pH 3: methanol (60:40 v/v). What is the concentration of caffeine, in mg/mL, in this solution? Give your answer to two significant figures.An aqueous antifreeze solution is 45.0% ethylene glycol () by mass. The density of the solution is 1.05. Calculate the molality, molarity, and mole fraction of the ethylene glycol9. 3 μL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following values. The substrate molecular weight is 125 g/mol. Substrate volume in mL Dilution factor Substrate number of moles Substrate concentration for the diluted solution in mM Substrate concentration for the diluted solution in mole/L Substrate concentration for the diluted solution in mg/mL
- What mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to produce a buffer solution with a pH of 4.00? Ka = 1.47 x 10-4. Please indicate the full solutions.Calculate the unknown concentration of the PROTEIN C with an absorbance value of A412 given the standard curve indicated in the table below. Write your final answer (NUMBER ONLY) in two decimal places rounded off. Protein concentration (µg/mL) 0 0.02 0.04 0.06 0.08 0.10 Your answer APIENT Absorbance 0.000 0.161 0.284 0.438 0.572 0.762What would be the working stock concentration (in molarity) if you diluted 250 uL of a stock concentration of 10 uM in a total volume of 1 mL?
- How much of the enzyme proteinase k (solute) is required to make 250ml of a solution with a concentration of .01mg/ml? (Weight/volume ratio)Calculate pNF concentration in each cuvette using Beer-Lambert’s Law. ε = 18,000 M-1 cm-1; b = 2.00 cm Cuvette 1 pNF 1 mL Water 2 mL Absorbance 0.546You are supplied with the following: NaCl (Mr = 58.443 g/mol) 250 mM Tris-Cl, pH 8 solution (1 Litre) EDTA, sodium salt (Mr = 380.2 g/mol) 13 % Sodium dodecyl sulfate solution Proteinase K solution (150 mg dissolved in 1 ml ddH2O) You need a digestion buffer consisting of the following: 23.5 mM NaCl 750 uM Tris-Cl, pH 8 38 mM EDTA, pH 8 1.2 % Sodium dodecyl sulfate 1.75 mg/ml proteinase K Calculate: How will you prepare 750 ml of the digestion buffer? Show all your steps and calculations and remember to explain how exactly you will make it up.
- Calculate the molarity (M) of a 65% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).What mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to produce a buffer solution with a pH of 4.00? Ka = 1.47 x 10-4Calculate the theoretical pH of a Tris buffer (pH 8.0) at 0 ºC. Assume that room temperature is 22 ºC