What volume of a 4mM enzyme stock solution do you need to prepare 20 uL of a 300 uM solution in a biology lab?

Q: What volume of water will you need to make a .50% glucose solution with 2.75 x 10 to the negative…

A: In the given problem we need to calculate the volume of water needed to make 50% glucose solution of…

Q: What is the Normality of 250ml of 2.417M AL(OH), diluted to 500ml? 14.50N 3.63N 1.21N 4.83N

A: Given,  Volume of Al(OH)3 in mL = 250 mL  Molarity of Al(OH)3 = 2.417 M  Al(OH)3 diluted to volume =…

Q: A solution contains 6 umol Na,SO, in 284 ml. How many ppm Na" does it contain? A.W Na-23 S-32 0-16…

A: The question is based on the concepts of solutions. we have been given number of moles of solute. We…

Q: Draw the figure according to the following data and find the concentration of the solution at…

A: The trend of molality directly depends on the temperature.  Here, the pure solvent is same. So, the…

Q: A sample of a potential pharmaceutical is being tested for effectiveness at different dosages. 250.…

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Q: 1. What is the final volume V2V2V_2 in milliliters when 0.916 LL of a 47.7 %% (m/v) solution is…

A: The given problem relates to the dilution of stock , so we can use stoichiometric relation to…

Q: What is the concentration of AIF63- in 1.00 L of aqueous solution made with 34.9 mmole of Al(NO3)3…

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Q: You have a 20% stock of NaCl, a 30% stock of K2HPO4, 2.5M NH4Cl and 10mg/ml stock of ampicillin. How…

A: Given data contains, Mass percentage of NaCl stock is 20%. Volume of the solution is 250 mL.

Q: Potassium ion concentration in the interstitial fluid is 5 mEq/L. What milligrams percent…

A: The term milliequivalent refers to the one thousandth of a chemical equivalent (equivalent weight)…

Q: How many liters of 30. mM potassium dihydrogen phosphate stock solution would be required to make…

A: Given that -  Molarity of stock Solution of potassium dihydrogen phosphate = 30 mM  Molarity of new…

Q: 10. How to prepare 40 ml of 25 ppm potassium solution from 0.01 M KNO3 solution? KNO3 : 100 g/mol,…

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Q: If the daily allowance for Vitamin C is assumed to be 75.0 mg, how many liters (L) of a 0.002277 M…

A: Given: mass of vitamin C ( ascorbic acid) = 75 mg Concentration of ascorbic acid  = 0.002277 M molar…

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 1.51 micromolar…

A:

Q: What volume of Water for Injection, BP is to be added to a vial containing 500 mg amoxicillin to…

A: Given that : The mass of vial containing amoxicillin = 500 mg The volume of final solution = 10 mL…

Q: What is 2.7 x 10^-3 grams of lead (Pb) per gram of solution?a. 2.7 ppmb. 2700 ppbc. 2700 ppmd. 2.7…

A: ppm is parts per millionppb is parts per billion

Q: An injection of amphotericin B contains 50mg/10ml. What volume must be added to 500ml of normal…

A:

Q: A sample of 14000 ppm iron is Strong Acid has to be diluted between 95 and 180  ppm.  The method…

A: One gram in one liter is 1000 ppm.  1g1000 = 0.001g in 1 L  = 1 ppm1 ppm = 1 mg/L

Q: What are the mole fraction and the mass % of a solution made by dissolving 0.50 g KI in 0.500 L of…

A: Mass of KI = 0.50 g Volume of water = 0.500 L                              = 0.500 × 1000 mL…

Q: How to prepare 40 ml of 25 ppm potassium solution from 0.01 M KNO3 solution? KNOS . g/mol, dn =…

A: Given that: Concentration of KNO3 = 0.01M Molar mass of KNO3 = 101.10grams Atomic mass of Potassium…

Q: Paclitaxel is available as 300 mg/50 ml vial, Explain how to prepare paclitaxel 180 mg/250 ml Normal…

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Q: Have 50 gallons of water dripping concentrated nutrients into the water system. Need a concentration…

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Q: What is the new concentration of acetic acid when 6.00 mL of a 12 M solution are diluted to 100 mL?

A: During dilution, the solvent is increased in the solution. Dilution decreases the molarity. To…

Q: A 2.1 M K2SO4 solution can be prepared by diluting mL of 9.2 M K₂2SO4 solution to 241 mL

A: • The values provided in the question are:-         i) Initial concentration of K2SO4 solution, M1…

Q: Drain unclogging agent is prepared from NaOH dissolved in water. How many grams of NaOH is needed to…

A: Concentration of the NaOH solution needed = 2.5 M Volume of NaOH solution needed = 500 mL Molarity…

Q: What volume (microliters) of a 1 µM NaOH solution would be needed to provide 14.8 ng of NaOH for a…

A: Given is Molarity of NaOH = 1 µM = 1 × 10-6 M Mass of NaOH = 14.8 ng = 14.8 × 10-9 g Molar mass of…

Q: Using the relationship C1V1=C2V2, how many mL of 0.50 M HAc stock solution would you need to prepare…

A: Given relationship is  C1V1=C2V2, C1 = Initial concentration = 0.50 M V1 = Initial volume = ? C2 =…

Q: How will you prepare 250 cm3 of a 1 M NaOH solution using NaOH pellets?

A: Given, 250 cm3 of 1 M NaOH solution  Volume = 250 cm3 = 0.25 L  Molarity = 1 M  Molar mass of NaOH…

Q: Hi, What volume of a 0.175 N H2SO4 solution would contain 35.0 grams of H2SO4? Thank you,

A: Given data: Normality of H2SO4  = 0.175 N Mass of H2SO4 = 32.0 g Molar mass of H2SO4 = 98.079 g/mol

Q: How many liters of 20. mM potassium dihydrogen phosphate stock solution would be required to make…

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Q: erile ophthalmic solution contains 8 % w/v sulfacetamide sodium (E = 0.25) in a 4-mL container.…

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Q: below? d6-DMSO solution -a.55 -G.45 -0.35 La30 La2s -0.20 Lais 0.00 3.05

A: The characteristic peak is at 4.7ppm which is due to strong dis

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 3.02 micromolar…

A: In this question we will determine volume of 15.1 micromolar stock solution that are needed to make…

Q: Question attached

A: Given: Weight/Volume Percentage = 3.00 % Volume of the solution = 2.0 mL To find: Amount of the…

Q: Module 2b: How much NaOH (in g) will * be needed to form a 1000L 100 ppm solution? 10 O 100 O 1000…

A: Given, Note: 1 ppm = 1 mg/L Concentration of the solution = 100 ppm = 100 mg/L Volume of the…

Q: How many grams of manganese acetate tetrahydrate, Mn(C2H4O2)2 x 4H2O, do you need to prepare 2…

A: Given information: Concentration of solution in ppm = 1000 ppm Volume of solution = 2 L

Q: What is the osmolarity of a 2.50 M Mg3(PO4)2 solution ? The rx is given so you can get th conversion…

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Q: If I dilute 35 mL of a 0.40 M CaCl2 solution to a volume of 53 mL, what will the concentration of…

A: Given that,  Volume of Concentrated CaCl2 solution V1 = 35 mL Molarity of Concentrated CaCl2…

Q: A solution is made by diluting 10.0 mL of 0.021 M potassium dichromate to 200mL. What is the…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: 1. a. Potassium permanganate produces a saturated solution at .480M concentration.  How many grams…

A: Given here a) the Potassium permanganate produces a saturated solution at =0.480 Mvolume of solution…

Q: Dilute a 35.0 mL glucose solution from 2.26 M to 0.845 M, the final volume will be: O 93.6 mL O 70.0…

A: We know that,  V1S1 = V2S2  V1 = initial volume  V2 = final volume S1 = initial concentration S2 =…

Q: Calculate the number of mL of a 500ppm solution needed to prepare 100mL of a 50 ppm solution.

A: Given:Concentration (C1) = 500 ppm.Volume (V2) = 100 mL.Concentration (C2) = 50 ppm.

Q: How would you use a 500.0 mL volumetric flask to prepare a 7.5% (v/v2) solution of acetic acid in…

A: Volumetric flasks are used to prepare stock solutions of analytical grade. To prepare a solution…

Q: If I take 13.23 grams of tri-sodium phosphate and dissolve it in 500mL, then subsequently tåke 50 ml…

A: One mole of tri-sodium phosphate contains three moles of sodium ions. Steps to be followed (i)…

Q: How many mL of 0.625 M KBr are needed to prepare 2. O 200. mL O 0.0200 mL O 313 mL O 31.3 mL

A: The molarity is determined as the moles of solute upon volume of solution in liters. The molarity of…

Q: How would you make a 1 mL 0.8% Tween-20 solution in PBS from a 10% stock solution?

A: Tween-20 is polysorbate 20 with molecular formula C58H114O26 Its molecular weight is 1226g/mol…

Q: How would you prepare 2.50×1022.50×102 mLmL of 0.084 MM solution of MgCl2MgCl2 from a 2.00 MM stock…

A: Given, Initial molarity of MgCl2 solution, M1 = 2.00 M Final molarity of MgCl2 solution, M2 = 0.084…

Q: Jamel is to receive Cleocin 275 mg IV for 6 hr. The concentration of the solution is 5.0 mg/mL. How…

A: The question is based on the concept of solution preparation. by considering the concentration of…

Q: You want to make a stock solution that is 12.2 M K*. You have potassium chromate salt (MM=194…

A: Molarity of the K+ ions solution to be prepare M1 = 12.2 M Molar mass of Potassium chromate (K2CrO4…

Q: 4. What weight (in grams) of lactose (C12H22011 , MW= 342 g/mole) is required to prepare each of the…

A: Note: As per company policy we are supposed to attempt first three subparts only. Please repost…

Q: a. How many grams of NaCl would you need to weigh out to make up 150 ml of a solution? b. You will…

A:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.