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- Sum of coefficients C7H8 + O2 --> CO2 + H2O after balancing6. One teaspoon of sertraline 20 mg/mL must be mixed into eight fluid ounces of water before consuming. Express the final concentration of sertraline when mixed with water as a ratio strength (w/v). Rounddenominator of ratio strength (w/v) to the nearest whole number.Stock iron(II) solution (200Ug mL-1 Fe) ferrous ammonium sulfate hexahydrate mass= 0.1437g, transfer it to a 100 ml beaker. add 15 ml approx of water and 15m1 'approx of dilute sulphuric acid (2M H2SO.). then transfer FeII to 100 ml flask makeup to the mark with water. calculate the moles of ferrous ammonium sulfate hexahydrate solution in unit ug/mL.
- A) An aqueous solution of ethyl alcohol is made by transfering 4.72 mL of liquid ethyl alcohol to a 200 . mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the volume/volume percentage of ethyl alcohol in the solution? Volume/volume percentage = ________% B) An aqueous solution of acetic acid is made by transfering 17.5 mL of liquid acetic acid to a 200 . mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the volume/volume percentage of acetic acid in the solution? Volume/volume percentage = ________%Magnesium +Acetic Acid --> C2HG5+ O2 ---> Iron (III) carbonate -->A pipet is used to transfer 3.00 mL of a 2.00 M stock solution in flask “S” to a 25.00-mL volumetric flask “A,” which is then diluted with DI H2O to the calibration mark. The solution is thoroughly mixed. Next, 3.00 mL of the solution in volumetric flask “A” is transferred by pipet to a 50.00-mL volumetric flask “B” and then diluted with DI H2O to the calibration mark. Calculate the molarity of the solution in volumetric flask “B.”
- What volume of 95.0% alcohol by weight (density: 0.809g/cm^3) must be used to prepare150 cm^3 of 30.0% alcohol by weight (density: 0.957g/cm^3)A pipet is used to transfer 5.00 mL of a 1.25 M stock solution in flask “S” to a 25.00-mL volumetric flask “B,” which is then diluted with DI H2O to the calibration mark. The solution is thoroughly mixed. Next, 3.00 mL of the solution in volumetric flask “A” is transferred by pipet to a 50.00-mL volumetric flask “B” and then diluted with DI H2O to the calibration mark. Calculate the molarity of the solution in volumetric flask “B.”One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(I) carbonate, in concentrated sulfuric acid The sulfuric acid reacts with the copper(I) carbonate to produce a blue solution of copper(I) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) -> Cu(s) + FeSO4(aq) Suppose an industrial quality-control cherist analyzes a sample from a copper processing plant in the following way. He adds powdered iron to a 300. mL copper(I) sulfate sample from the plant until no more copper will precipitate. He then washes, dries, and weighs the precipitate, and finds that it has a mass of 75. mg Calculate the oriqinal concentration of copper(I) sulfate in the sample. Round your answer to 2 significant digits.
- (v/v)% = 10. mL ethanol 150 mL mouthwash × 100% = 6.7 % (v/v) ethanol how do I insert this calculation into my scientific calculator? can you please give me a detailed description I'm trying to watch videos but i don't know how to put into the calculatorA pipet is used to transfer 6.00 mLmL of a 3.75 MM stock solution in flask “S” to a 25.00-mL volumetric flask “A,” which is then diluted with DI H2OH2O to the calibration mark. The solution is thoroughly mixed. Next, 10.00 mLmL of the solution in volumetric flask “A” is transferred by pipet to a 50.00-mL volumetric flask “B” and then diluted with DI H2OH2O to the calibration mark. Calculate the molarity of the solution in volumetric flask “B.”6. A stock solution containing 25% w/v of chlorhexidine is used to prepare an antiseptic such that when the antiseptic is diluted 1 in 25, a 1 in 500 wash solution is obtained which is ready for use by the patient. What volume (ml) of the stock solution is required to prepare 5 litres of the antiseptic to fulfil a bulk manufacturing order?