Density of a mixed solution
[DOCX File]beverage-density-lab-1.docx.docx
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Beverage Density Lab Report. Background. Density is figured out by measuring the mass and volume of a substance and then dividing the two. Mass can be measured with a balance, where as volume can be measured with a graduated cylinder. The density of a solution depends on the concentration of solute.
[DOC File]Homework 2 solution
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Solution. In reality, it is a simple mass balance. The recycle stream needs to contain enough dissolved air so that if mixed with the main stream, the total dissolved air will be 30 mg/L, that is the saturated level at atmospheric pressure (20 mg/L) plus the required excess of 10 mg/L.
[DOC File]Concentration Worksheet
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3) The density of ethanol is 0.789 g/mL. How many grams of ethanol should be mixed with 225 mL of water to make a 4.5% (v/v) mixture? 4) Explain how to make at least one liter of a 1.25 molal ammonium hydroxide solution. 5) What is the molarity of a solution in which 0.45 grams of sodium nitrate are dissolved in 265 mL of solution.
[DOC File]Exercises (Mass Percent)
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(Remember water's density.) 3. How many grams of NaBr are needed to make 50 g of a 5.0% solution? 4. How many grams of LiOH are needed to make 25 g of a 4.0 % solution? 5. What mass of NaF must be mixed with 25 mL of water to create a 3.5% by mass solution? ...
[DOC File]DENSITY - Gravity Waves
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Pour 20 mL of 1.0% potassium iodate solution into a 50-mL beaker, and add 8 drops of copper (II) sulfate solution to the beaker. Pour 20 mL of 0.2% sodium bisulfite solution into a second 50-mL beaker, and add 5 drops of starch solution to the …
[DOC File]IIT JEE Syllabus - KEEEL
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If 20 ml of ethanol (density = 0.7893 gm / ml) is mixed with 40 ml of water (density = 0.9971 gm/ml) at 25°C, the final solution has density of 0.9571 gm / ml. Calculate the percentage change in total volume of mixing. Also calculate the molality of alcohol in the final solution. Solution: Mass of ethanol = v ( d.
[DOC File]DILUTIONS AND STANDARDS
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volume of serum/volume of solution = [1.0 mL serum ]/[1.0 ml serum + 9.0 mL H20] 1.0 mL serum/10 mL solution = 1:10 total . This means that each milliliter of solution contains 1/10 as much serum as each milliliter of the original serum. Another way to say this a serum sample was diluted 1:10 with H20.
[DOC File]Ch 17 Solutions Problems
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An antifreeze solution is 25% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.05 g/mL. Calculate the . molarity, molality. and . mole fraction. of ethylene glycol. 80 proof vodka is 40% ethanol (CH3CH2OH) by volume. The density of ethanol is 0.80 g/mL. Calculate the . molality, molarity. and . mole fraction. of ethanol in vodka.
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