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A: Molar mass of pheromone = 282 g/mol Mass of pheromone = 1.5 x 10-12 g
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Q: . Calculate the [H₃O⁺] of lemon juice with [OH⁻]=4.0 x 10⁻¹³ M * b. Calculate the pH of the solution...
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Q: iven the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How mu...
A: Stock solution of 0.019 M ascorbic acid Ascorbic acid present in a t...
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Q: he copper(I) concentration in an aqueous solution is to be measured. For the cathode alf-cell, a sil...
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Q: Consider the following mechanism H CH3 H H, a) How many elementary steps are shown in this mechanism...
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Q: Data of NaOH Trial 1: mass=0.537g Volume =23.6ml Trial 2: mass=0.566g Volume = 26.8ml Trial 3: mass=...
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Q: 3. Ozone 9. Hydrogen Fluoride 10. Table Sugar 4. Acetone 5. Water C. Identify the following mixtures...
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Q: Calculate the number of grams of solute in each of the following solutions. a.) 2.50 L of a 3.00 M ...
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A: The ∆Hvap. of xenon is 12.57 kJ mol-1 and its ∆Svap. is 76.15 J/mol K What it the boiling point of x...
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Q: Use the References to access important valu The pH of an aqueous solution of 0.267 M ammonium bromid...
A: The PH of NH4Br can be calculated as
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A: ANSWER : Required products are as follows of given reaction 5 and 6 :
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Q: The concentrated sulfuric acid that we use in the laboratory is 98.0% H SO, by mass. Calculate the m...
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A: Given, Molecular formula of Cinnamic alcohol is C9H10O Mass of sample = 0.668 g Required, ...
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A: Photomultiplier tube- These are the sensitive detectors of light used for multiplication of electron...
Q: Given the following reactions Fe2O3(s) + 3CO(s) → 2Fe(s) + 3CO2(9) AH = -28.0 kJ 3Fe(s) + 4CO2(s) → ...
A: Given Reaction:- Fe2O3(s) + 3CO(s) -----> 2Fe(s) + 3CO2(g) ∆H = -28.0kJ ..... (1) 3Fe(s) + 4...
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Q: A mixture of 0.0080 mol of SO2 (g) and 0.0056 mol O2 (g) is placed in a 1.0 –liter container. When e...
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Q: What is the concentration of the undiluted KMNO4 solution? 0.4872 g/L 6.872 g/L 0.6872 g/L 1.6872 g/...
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Q: Calculate the number of gram of solute necessary to prepare 400.0 gram of a 0.500 m solution of ethy...
A: Molality: the number of moles of solute present in the one kg of solvent is called molality. The for...
Q: 3. When a mass of 337 mg of an unknown compound was dissolved in 750mL of water, the solution's free...
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- NaOH Concentration (M): 0.09669M Trial 1: Inital Volume of NaOH: 0.55mL Final Volume of NaOH: 28.25 mL Trail 2: Intial Volume of NaOH: 18.1 mL Final Volume of NaOH: 46.1 mL Concentration of HCl Solution Subtract the initial buret reading from the end point reading. Convert the readings to liters by dividing by 1000. Solve this equation for the concentration of HCl: (CHCl) (0.01000 liters ) = (CNaOH) (volume of NaOH in liters). CNaOH is the normality of the NaOH you recorded from the bottle. Average the two HCl concentrations.What volume (in mL) of 30.0% hydrogen peroxide solution is required to provide the mass required in question 8 above? Mass=10.2g of a 30% hydrogen peroxide soltuion. Density of 30.0% H2O2 = 1.11 g/mL Answer with 3 sig figs.If a solution is made by adding 8g of (NH4)2SO4 to a 100 ml volumteric flask and enough water is added to bring the total volume to 100ml, what would the density of the solution be? This is a straightforward question but I just wanted some clarification. When we bring the total volume to 100ml, does that mean we added 100ml of water? Will the mass of the water be 100 g regardless of the amount of solute added?
- What volume in liters of 0.125 M H2SO4 is required to neutralize a solution prepared by dissolving 12.5 g of KOH in 250 mL of water? Group of answer choices 0.891 1.82 3.64 0.455How much amount of solids (in grams) do you need to prepare the following solutions? 1. 500.0 mL 0.1000 M stock EDTA solutiona. Weigh an appropriate amount of Na2H2EDTA2H2O (FW=372.24) to the nearest 0.1 mg 2. 100.0 mL 0.0500 M stock Ca2+ solutiona. Weigh appropriate amount of pure CaCO3 (FW=100.09) to the nearest 0.1 mg into a 250 mL beaker.Solve for the molar volume (in ml/mol) for the following chemicals below. Show complete solution, round-off your final answer to the 3rd decimal place then highlight. Use the following atomic weights to solve for the molecular weight (g/mol) of each compound: H=1; C=12 ; N=14 ; O=16 ; Na=23 ; P=31; Cl=351. Ammonia, density: 0.73 kg/m32. Sodium hypoclorite, density: 11 g/cm33. Phosphoric acid, density: 1.88 g/ml
- You have 1M KH2PO4, NaCl (FW 58.44), 906mM Na2HPO4, and ddH2O. Common practice in many labs is to create a 10X PBS solution that they can dilute further when needed. How much of each component would you need to create 500 mL of 10X PBS solution (10.5 mM KH2PO4, 1.552 M NaCl, 29.7 mM Na2HPO4)?To prepare the solution you would place the solute in a 50.0 ml volumetric flask, and then fill to the mark with water while mixing. This would give a total solution volume of 50.0 ml. The 5.0 solution needs to be diluted to make 10.0 ml of a 2.0% solution. What volume of 5.0% solution should be used? Please answer fast i give you upvote.I need to make a solution containing 0.025 grams per liter. However, I do not want to weigh 0.025 grams and put this in one liter of solvent. I want to make a stock solution of 0.25 grams in 500 ml of solvent and take a unknown aliquot and dilute this in 500ml of solvent instead of 1000 ml of solvent. How do I calculate the volume of aliquot from the stock solution to achieve a final concentation of 0.025 grams per liter? What is the proper equation(s) required to figure out the proper aliquots required?
- Run 1 Run 2 Molarity of KMnO4 solution (M) from bottle 0.00101 0.00101 Initial reading of buret KMnO4 (mL) 0.62 11.35 Final reading of buret KMnO4 (mL) 11.33 21.70 Run 1 Run 2 Volume of KMnO4 solution (mL) Moles of MnO4- used for titration (mol) Moles of C2O42- in 100.0 mL of solution (mol) Molarity of C2O42- (M) Molarity of Cd2+ (M) Ksp of CdC2O4 Average Ksp of CdC2O4 Calculations: Moles of MnO4- used for titration of saturated solution CdC2O4 Moles of C2O42- in 100.0 mL of saturated solution of CdC2O4 Molarity of C2O42- in saturated solution of CdC2O4 Molarity of Cd2+ in saturated solution of CdC2O4 Solubility product, Ksp, of CdC2O4CHEMISTRY (Please write the complete solution legibly. No long explanation needed. Answer in 2 decimal places. Box the final answer.) A laboratory is well-stocked with 1.0 M H2SO4 and 6.0 M H2SO4, but 500 mL of 2.5 M H2SO4 areneeded for an experiment. Unfortunately, the water supply has been temporarily cut off, so the 2.5M solution must be made from the existing solutions. How many milliliters of 1.0 M and 6.0 MH2SO4 must be mixed in order to prepare 500 mL of 2.5 M solution?How many millimetres of 3.0 M H2SO4 are needed to make 450 mL of 0.10 MH2SO4