need to make upv3L of a 0.9 solution of CaCl2, how many grams will I need?

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: For in the solution part for c), do you mean 6.25%?

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: The Ksp of lanthanum fluoride, LaF3, is 2.00 × 10-19. Calculate the molar solubility, x, of this…

A: Step 1: The maximum amount of substance that can dissolve in a given amount of solvent is…

Q: The normal freezing point of benzene (C6H6) is 5.5 °C. If 30.92 grams of the nonvolatile…

A:

Q: Prepare 200 ml of a 0.125 M stock of NaCl from a 1 M concentrated stock solution of NaCl.

A: An artificial nutrient medium contains nutritional components like sugars, salts, amino acids, etc.…

Q: You have a 0.5M stock solution of NaCl (formula weight: 58.4 g/mole), a 0.15M stock solution of…

A: Introduction   The standard concentration of the solution is usually determined in "M", which is…

Q: For Mg calculation, where did the 0.1 value come from?

A: In healthcare, a variety of calculations are required to figure out appropriate dosages, medication…

Q: How many moles of sodium hypochlorite can be prepared from 32.5 g of NaOH?

A: Moles of Sodium hydroxide equals moles of Sodium

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 have a 1000X stock solution of sodium chloride (NaCl). The concentration of NaCl in the stock…

A: Sodium chloride (NaCl) is a salt made of an equal composition of sodium and chloride ions. NaCl is…

Q: Please step by step answer and don't use ASI Answer please

A: Based on the structure of polystyrene; GroupFiAmount or numberSum of FiMi (g/mol)CH1401140 x 1 =…

Q: When 0.2 millimoles of Y are dissolved in 250 ml of water, the resultant solution has an absorbance…

A: Beer-lambert law states that for the given material, the sample concentration and path length are…

Q: If you need to make 2L of 0.25M Glucose, how many grams of glucose do you need Formula for glucose:…

A: While conducting experiments in biochemistry or while creating batch cultures of bacteria and for…

Q: What is the disulfide? Can you explain to me, please? Also, can you give me an example of the…

A: Disulfide is an compound that is made up of two atoms of sulphur in its empirical formula. Its…

Q: If you were presented with 2 L of a 2 M sucrose stock solution, how many grams of sugar would be in…

A: Molarity: The moles of a solute per liter of a solution is called as molarity (M).

Q: If you have a sugar with a molecular weight of 315 g/mol, how many grams would you need to add to…

A: Given the molecular weight of sugar is 315g/mol. The volume of the solution is 487 mL and its…

Q: 439 mL of 0.270 M hydrochloric acid is exactly neutralized with 0.920 M potassium hydroxide…

A: Given Values: Volume of HCl = 439 ml The concentration of HCl = 0.270 M Concentration of NaOH =…

Q: How will you dilute 100 μl of 25 mg/ml BSA into a final concentration of 2 mg/ml BSA?

A: BSA stands for bovine serum albumin. It has several applications in laboratories. In a microbial…

Q: How many mL of 19 mM SDS would you need to make 76 mL of 2 mM SDS? Report your answer rounded to 1…

A: Molarity is a way of representing the concentration of a solution. Molarity is the number of moles…

Q: You need to make a protein buffer of: 100 mM NaCl ⚫ 25 mM Tris 8 • • 5% w/v glycerol 2 mM DTT Your…

A: In order to calculate how much of each component we should use to get the required buffer, we need…

Q: The concentration of the conjugate base in 100 mL of 50 mM CH3COOH/CH3COO- (pKa = 4.76) at pH 5.00…

A: Step 1: Calculation of the concentration of the conjugate base (CH3COO⁻) at pH 5.00.The…

Q: Tomato juice has a OH- concentration equal to 1 X 10 -10, what is the pH of this solution?

A: In a solution, the negative log of the concentration of hydrogen ion denotes the pH and the negative…

Q: You have a 15% (m/v) solution put any units in your answer, ju

A: Dilution Equation M1 V1 = M2  V2

Q: If equal portions of tretinoin gel, 0.1 % w/w and 0.4 % w/w are combined, what would be the…

A: The objective of the question is to find the resultant percentage strength when equal portions of…

Q: What is the pH of a solution of 4.1 x 10-8 M NaOH in otherwise pure water?

A: The objective of this question is to calculate the pH of a solution of sodium hydroxide (NaOH) in…

Q: How many mg of agarose do you need to weigh out to make 75 ml 1.3% gel?

A: Agarose is a naturally occurring polymer that is extracted from seaweed and is made up of monomeric…

Q: Your supervisor asks to make 350 mL of a 0.75% (w/v) starch solution using a 5% (w/v) stock…

A: Given Values: Concentration of the starch stock solution = 5 % The volume of the final starch…

Q: How many milliliters of 6M NaCl are required to prepare 3000 ml of 0.002 M NaCl?

A: The problem is asking us to find out how many milliliters of a 6M (Molar) NaCl (Sodium Chloride)…

Q: 9. 1.4 g of glucose (C6H1206) is dissolved in 150 ml of water (final volume). What is the final…

A: Molarity can be calculated as : M = n/V where, M is the molality of the solution that is to be…

Q: You need to make 20 mL of a 1/100 (10-2) dilution of a crystal violet solution? How much diluting…

A: Crystal violet or gentian violet, also known as methyl violet 10B or hexamethyl pararosaniline…

Q: 12 grams of glucose will make how many mL of a 0.5 g/mL solution?

A: Given Values: Weight of glucose = 12 g Concentration = 0.5 gml How much volume of water needs to…

Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?

A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…

Q: Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26…

A: Iso electric point: the pH at which the Amino acid exists in a zwitter ionic state us called iso…

Q: Nathan wants to take 25mg of Phenergan for his nausea. Phenergan comes packaged as 12.5mg per 2tsp.…

A: In healthcare institutes and even after a patient is discharged, they have to take prescribed…

Q: How do you make a stock solution of 1000 ppm using a solution which Has a density of 0.842 g/mL?

A: Introduction : To prepare a stock solution of 1000ppm using a solution with a density of 0.842g/𝑚L,…

Q: ordered is 2.5 g of Staphcillin. The vial reads: Add 8.6 ml of diluent to contents of vial. Each ml…

A: Penicillins are used to treat bacterial infections. They function by either eradicating the germs or…

Q: Consider the titration of 30.0 mL of 0.0700 M HONH2 (a weak base; Kb = 1.10e-08) with 0.100 M HI.…

A: pH is generally a measure of a solution is how acidic/basic water they are. The range normally…

Q: How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution?

A: Given Values: Volume = 1 L  Concentration of CuSO4 = 8 gL

Q: How much agarose powder (g) would you use to make a 50 ml, 1.4% agarose gel?

A: Introduction:- Agarose powder is a linear polysaccharide that forms a gel when it is mixed with…