How many milliliters of 0.1M aqueous Sodium Hydroxide solution can be prepared from 10 gm ?of Sodium Hydroxide
Q: If the average molar mass of a sample of soybean oil is 1500 g/mol, how many grams of NaOH are…
A: Saponification is the process that involves the conversion of fat, oil, or lipid, into soap and…
Q: How much of a 10x buffer should be added to 900ml of water to make a 1x solution?
A: In this question, we are given with- 1. Concentration of stock solution= 10X 2. Required…
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A: Correct answer is 22.5 ml Examplnation given with image in step 2
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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: 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…
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Q: If you have a sugar with a molecular weight of 315 g/mol, how many grams would you need to add to…
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Q: 50 mL of 5mM NaCl solution from 1 M NaCl solution
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Q: What is the approximate pH of a solution labeled 6 x 10-5 M HBr? * 4.2 O 4.5 5.8 O 9.8 O 8.2
A: pH is the measure of the strength of H+ ion or Hydronium ions in solution. pOH is…
Q: You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire…
A: When we describe a concentration as a percentage without specifying the type of formula, we imply…
Q: What is the molarity of a NaOH solution if 48.0 mLneutralizes 35.0 mL of 0.144 M H2SO4?
A: An acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used…
Q: How many grams are in 1 mL for the following solution? NS _________ this is the whole question
A: NS or Normal saline: It is nothing but a mixture of sodium chloride (NaCl) and water that is…
Q: A 500 mL sample of a 0.100 M formate buffer, pH 3.75, is treated with 5 mL of 1.00 M KOH. What is…
A: The buffer solution consists of an acid and a salt of the conjugate base of the acid in a solution.…
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Q: The pH of a 0.0082 M solution of HNO₃ is
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Q: 75 g of impure sodium hydroxide is added to 250 cm3 of water. 10 cm3 of this impure solution is…
A: In order to find out the percentage purity of a compound, the molarity of the compound is…
Q: How much magnesium chloride hexahydrate (MW = 203.3 g/mol) is required to make a 500 mL solution ata…
A: MW = 203.3 g/mol Concentration = 10 mmol/L Volume = 500 ml solution = 500/100 L = 0.5 L
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Q: 00 ml total solution, the resulting stren 5..?
A: A pharmaceutical medicine is a chemical substance that causes a biological or physiological effect…
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…
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A: Ampicillin is a broad spectrum semi-synthetic derivative of penicillin. It is active against both…
Q: A 5 ml vial of hydrocortisone is having 2% (w/v) concentration. How many vials will be required, if…
A: KEY WORDS :- Formula for vial required = Dose required to prepareDose in hand×quantity
Q: Prepare a 75 ml of a 10% (w/v) FeCl3 solution. How many grams of FeCl3 must be weighed out and…
A: Given Values: Volume of FeCl3 solution = 75 ml Concentration of the FeCl3 = 10% (w/v)
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Q: How many grams of copper sulfate would you need to make 5 L of a 7 M copper sulfate solution?
A: Molarity is defined as the moles of solute per litre of the solution. Hence, our target is to make…
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A: The mole is used as a unit in the SI system to quantify the amount of substance present. One mole is…
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A: The following formula is used to find the volume required to prepare a 5 mL sample with a final…
Q: What would be the working stock concentration (in molarity) if you diluted 250 uL of a stock…
A: Molarity is defined as the number of moles dissolves in 1000 ml of the solution.
Q: What is the pH of a 5.9 × 10⁻⁶ M HBr solution?
A: Hydrobromic acid, HBr is an extremely strong acid, one that ionizes completely ionizes completely…
Q: What is the pH of a cleaning solution with a [H3O*] = 7.4 x
A:
Q: A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene.…
A: Molarity is defined as the moles of a solute per liters of a solution. It is also known as the molar…
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 could you prepare 500 mL of a 6.0 M NaOH solution using solid NaOH pellets? What is the percent…
A: Molar concentration is a measure of the concentration of a chemical species, in particular of a…
Q: How many grams of sucrose (molecular weight = 342 g mole−1) would you dissolve in water to make a…
A: Molarity = no. of moles of solute / liters of the solution
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: How many grams of glucose would you have to weigh out to make 500mls of a 0.5 M solution of glucose?
A: Molarity can be defined as the number of moles of solute per 1000 ml of the solution. Now,…
Q: How many moles of HCl are there in 75.0 mL of 0.160 M HCl?
A: Molarity can be stated as the soluble moles of solute, which is dissolved per liter of solution.
Q: If 150ml of polyethylene glycol 400 weighs 74.1g, what is the specific gravity?
A: The division of density of the substance and standard density is called specific gravity. It is also…
Q: The pH of a solution containing 20 mL of 0.120 N NaOH and 35 mL of 0.120 N NaOH is 1.49. True or…
A: Given Values: 20 ml of 0.12 M NaOH and 35 ml of 0.12 M NaOH are mixed together. The pH of the mixed…
Q: what is the pH of a solution with a H+ concentration of 1.44 x 10-3 M
A: pH is the potential of hydrogen.pH is a way of measurement of acidity or alkalinity.It measures the…
Q: An IV of 650cc of 5% dextrose contains how many grams of 5% dextrose?
A: Dextrose is defined as a type of simple sugar molecule that has wide variety of uses such as…
Q: 950 mL of 1X CuSO₄ * 5H₂O solution from 25X CuSO₄ * 5H₂O solution
A: Given Values: Stock solution = 25 X CuSO4 . 5H2O Final Solution = 1 X CuSO4 . 5H2O Volume = 950 mL
Q: What quality of zwitterions makes them desirable buffers?
A: A buffer is a solution that can withstand pH changes when acidic or basic components are added. It…
Q: need to make upv3L of a 0.9 solution of CaCl2, how many grams will I need?
A: Given Volume = 3L Molarity of solution = 0.9 M Mass of CaCl2…
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- Order: Dilantin 100 mg IV dailyAvailable: Dilantin 250 mg per 5 mL How many milliliters would you give? __ mL Round your answer to the nearest whole number.A patient’s treatment plan requires two IV solutions to be administered:20% magnesium sulfate, MgSO4, and 10% calcium chloride, CaCl2. Thenurse is concerned, MgSO4 and CaCl2 are listed as incompatible IVsolutions with the risk of solid precipitate formation (image shown toright). Write the chemical equation that predicts the products thatform when combining MgSO4 and CaCl2. Please use the providedsolubility chart to help you determine chemical phases.You are supplied with the following: / Jy word voorsien van die volgende: NaCl (Mr= 58,443 g /mol) 2.5M Tris-Cl, pH 8 solution /oplossing (1 Litre) EDTA (Mr= 380,2g/mol) 10% sodium dodecyl sulphate solution / natriumdodecyl sulfaat oplossing Proteïnase K solution / oplossing (50 mg dissolved / opgelos in 1 ml ddH2O) You need a digestion buffer consisting of the following: / Jy moet 'n verteringsbuffer op maak wat uit die volgende bestaan: 15m M NaCl 75 mM Tris-Cl,pH 8 16 mM EDTA,pH 8 0.8% sodium sulphate / natrium dodecyl sulfaat 0,75 mg/ml proteïnase K How will you prepare 500 ml of the digestion buffer? Show all your steps and calculations. Remember to explain exactly how you will make it up. / Hoe sal jy 500 ml van die verteringsbuffer voorberei? Wys al jou stappe en berekeninge. Onthou om te verduidelik presies hoe jy dit sal op maak.
- Why are we using this chemicals?(Determination of solubility and soaping number of lipids) Materials: *Fats and oils*Oil solvent (Equal volume 95% ethanol and ether)*0.5 M alcoholic KOH solution*0.05% phenolphthalein solution*0.5 M HCl solution Procedures: Determination of Saponification Number 1) Dissolve 1 g (or 2 mL) of oil in 3 mL of oil solvent and add 25 mL of KOH solution. Put a few boiling stones and boil in the water bath by mixing for 30 minutes.2) Add 3 drops of phenolphthalein to the saponified and brought to room temperature solution and titrate with HCl.3)Titrate 25 mL of KOH solution containing 2 mL of water with HCl for a blank test. Solubility of lipids 1) Record the physical properties of all oils before starting the experiment. Then observe the solubility of the oils in water and organic solvents. Discuss the difference.2) Add 1 mL of water to the oil solutions in ethyl alcohol. Mix vigorously and record your observations in the first second and after 5 minutes.Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCl are added in 200.0 mL of water at 25.0oC in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL, specific heat=4.18 J/g.oC). Evaluate the truthfulness of this statement: "Based on the above description, the solution process (i.e., the dissolution of NaCl or the breakdown of NaCl into its constituent ions) is exothermic." True FalseOrder: labetalol 40 mg IVP STAT now Using the following drug label, how many milliliters of labetalol will you give? __ mL Round your answer to the nearest whole number.
- A patient in hospital takes digoxin at a dose of 125 micrograms daily. He is currently not able to swallow tablets easily so you recommend changing to liquid. The solution is available as 50microg/ml. How many millilitres would be needed for 7 days supply? units- mlHighlight your values of A,B,C and D. For your question: A mL of B mol/L sodium phosphate solution is combined with C mL of D mol/L calcium bicarbonate. (Calcium bicarbonate is soluble.) A mL B mol/L C mL D mol/L 75.0 ml 0.300 67.5 0.350 Before you begin your reaction, you must accurately produce 1.500 L of your sodium phosphate solution from sodium phosphate trihydrate solid. Write out a procedure to explain all the steps you will take in the lab when making the solution to ensure that your solution concentration is accurate. Please include calculations that show the required mass of solid. Also include the correct names of all equipment used.The concentration of alcohol 1CH3CH2OH2 in blood, calledthe “blood alcohol concentration” or BAC, is given in unitsof grams of alcohol per 100 mL of blood. The legal definitionof intoxication, in many states of the United States, is that theBAC is 0.08 or higher. What is the concentration of alcohol,in terms of molarity, in blood if the BAC is 0.08?
- After her latest dialysis treatment, Michelle experienced vertigo and nausea. Michelle's doctor orders 0.044 g of chlorpromazine, which is used to treat nausea. If the stock solution is 3.4 % (m/v), how many milliliters are administered?I. Give concentration in units of mg/ml for the following solutions. 50 g/liter 0.5 g/ml 5mg/ml 500 mg/liter Show your workSolid iron(II) fluoride (FeF2, Ksp= 2.36 x 10-6) is dissolved in water. If 8.1 x 10-3 mol L-1 of iron(II) ion is found to be in solution. Is the solution saturated, unsaturated, desaturated or supersaturated.