9 g of ethyl alcohol is dissolved in 96 ml of water (density = 1.00 g/mL at 20 oC).  What is the % w/w for the ethyl alcohol in the resulting solution?

Q: alcohol is 70.0% (v/v) isopropyl alcohol. Calculate how many mL of isopropyl alcohol is present in a…

A: The concentration of the solutions is measured in a number of terms such as molarity,  molality,…

Q: Which of the following concentrations will not change if the solution is heated? % (w/w) % (w/v)…

A: Given that -  %(w/w)  %(w/v)  Molarity  All of these change

Q: The amount of potassium chloride in 150 mL of 8.5% w/v potasisum chloride solution is _____ g.

A: 8.5% w/v means 8.5 g potassium chloride in 100 mL solution.

Q: What volume (in mL) of concentrated hydrochloric acid is necessary to prepare 6 mL of 50% (v/v)…

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Q: How much 32% (w/w) HCl should be diluted with deionized water to produce 100.0 mL of 5.0 M HCl…

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Q: is Cyclohexane soluble in CH2Cl2, water, NaOH, or H2SO4?

A: Cyclohexane has the chemical formula C6H12. Cyclohexane is a non-polar substance. Cyclohexane is a…

Q: 0.001 percent (v/v) ethanol solution is considered   Choices: saturated supersaturated concentrated…

A: Given: Volume by volume percentage of ethanol solution=0.001 % This has to be selected if it is a…

Q: The density of the H3PO4 stock solution (85% by weight) is 1.70 g/mL. How to prepare 2.5 L and 0.5 M…

A: The question is based on the concept of solutions. we have to make the given phosphoric acid…

Q: Calculate the weight of NaOH present in 5.0 mL of a 1.0 % (wt/v) NaOH solution 1.0 g 0.50 g 0.10 g…

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Q: 10dm³ of water added to 2.0mol/dm³ of 2.5dm³ solution of HCL . What is the concentration of the…

A: Given data: The volume of water Vwater= 10 dm3. The volume of HCl VHCl= 2.5 dm3. The concentration…

Q: prepare 50.0mL of 2.39% w/v acetic acid? 29 g/moles

A: The volume of the solution is = 50.0 mL The concentration of the solution is = 2.39 % w/v The solute…

Q: In order to prepare 10% 100 mL of HCl solution from 37% HCl solution, how many mL of concentrated…

A: For Concentrated HCl solution : Concentration, C1 = 37 % Volume, V1 =? For New HCl solution :…

Q: Trail 1 volume vinegar, mL 4.00 mL g HC2H3O2 in sample taken 60.10 % HC2H3O2 (W/V) ?

A: Since % (w/V) is defined as  % (w/V)  = mass of solute taken in g X 100 / volume of solution taken…

Q: How do you know if the solute(ethanol, ethanoic acid, ethyl acetate, acetaldehyde and acetone) is…

A: Given compounds: Ethanol, ethanoic acid, ethyl acetate, acetaldehyde, and acetone

Q: 6. How much mL of Acetone is needed to make 100mL of an aqueous 30% (v/v) Acetone solution? How much…

A: Volume/volume percentage is a measure of concentration of the solution, which is the ratio of volume…

Q: Calculate the %w/v of a solution made by dissolving 22.0 g CH3OH (methanol) in C2H5OH (ethanol) to…

A: %w/v: It is the parameter that is used to calculate the concentration of the solute present in 100…

Q: What is the percent by volume (% v/v) of ethanol in a solution prepared by adding enough water to…

A: % v/v is defined as the % volume of solute present in the solution  i.e % v/v = volume of solute X…

Q: How much mL of Acetone is needed to make 100mL of an aqueous 30% (v/v) Acetone solution? How much mL…

A: Given,  Volume of the solution = 100 mL  Volume percent of acetone = 30% How much mL of Acetone is…

Q: Calculate the volume in mL of 100% alcohol required to make 0.75 L of 70% (v/v) solution of alcohol…

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Q: What N (normality) is made by diluting 50 ml of H2SO4 (den. = 1.08; 11.6% by weight to 1.0 liter…

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Q: 10g of sodium nitrate is dissolved in a 90 ml of H2O (density of H2O=

A: Given,   Mass of Sodium nitrate(NaNO3)=10 g Molar mass(MM) of NaNO3 = 85g Moles of NaNO3 = mass/MM…

Q: A packet of oral rehydration salts (ORS) used to overcome dehydration contains the following:…

A: Concentration in percentage weight by volume is defined as the grams of solute dissolved per 100 mL…

Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: You are asked to prepare 100.0 mL of a 30.0% (m/v) NaCl solution.  The procedure states that 0.513…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: the volumes additive.) 12% 6% 3% 4.8 %

A:

Q: CALULATE FINL CONCENTRATION USING 2 IG FIGS AND APPROPRIATE UNITS A 6.0 mLmsample of a 50.0 %…

A: Given -  Volume of acetic acid solution = 6.0 mL % (m/v) of acetic acid solution = 50.0% Final…

Q: How many milliliters of water must be added to 250 mL of a 25% w/v stock solu- ion of sodium…

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Q: Part 1. One gram of caffeine dissolves in 55 ml of water; 7 ml of dichloromethane (DCM); 530 ml of…

A: 1.) To calculate solubility, we would use mass of caffeine and volume of solvent.  2.) To extract…

Q: What is the molarity of a solution in which 150g of CaO are dissolved in 1900ml of solution?  (MW:…

A: Given :-  Mass of CaO = 150 g  Volume of solution = 1900 mL  MW : Ca = 40g/mol, O=16g/mol  To…

Q: Which of the following is expected to be moderately soluble in both water and benzene? H H C=C…

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Q: What is the molar concentration of potassium chloride (Formula Weight: 74.55g/mole) in a 5% (w/v)…

A: Given,  weight percent by volume (%w/v) is 5 %  which means 5 g of solute (potassium chloride)…

Q: How many mL of H2O must be added to a 25.0 mL of NaCl to prepare 15% (v/v)

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Q: What % w/w salt solution is obtained when 100 gram of a salt is dissolved in 400 g of water?

A:

Q: How many milliliters of glycerol (C3H8O3, p= 1.26 g/mL) must be added per kilogram of water to…

A:

Q: • How much K. permanganate should be used in preparing 30 mL of a solution such that 10 mL diluted…

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Q: What is Molarity of a 10.00% (v/v) acetic acid ? Density of pure acetic acid is 1.05 g/mL.

A: Given: