essential oils from a plant, 7.5 mL of benzene (C6H6, 78.11 g/mol) was mixed with 25.00 mL of hexane (C6H14, 86.18 g/mol). Both benzene and hexane are non-polar so they will homogeneously mix. The densities of benzene and hexane are 0.8765 g/mL and 0.6594 g/mL, respectively. What is the molal concentration

Q: A solution is prepared by combining 75 g of glucose (C6H12O6) with 200 g of H2O. The solution has a…

A: Given that,  Mass of glucose = 75g Density of glucose = 1.84g/ml Volume of glucose = 75/1.84 =…

Q: The preparation of homeopathic "remedies" involves repeated dilution of solutions containing active…

A: The mass of arsenic trioxide is 18.0 g. The moles of arsenic trioxide is calculated as,…

Q: At a certain temperature, an aqueous solution is 38.0% H2SO4 by mass and has a density of 1.342…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: A solution is made by mixing 46.2 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL).  What is…

A: The objective of the question is to find the percentage of alcohol in the resulting solution when…

Q: Consider the following: you mix 9.90 mL of CHC13 (d = 1.492 g/mL) and 5.20 mL of CHBr3 (d = 2.890…

A: total volume = 9.90 + 5.20= 15.10 mL mass of CHCl3 = 1.492 x 9.90 = 14.77 g mass of CHBr3 = 2.890 x…

Q: A solution is made by mixing 39.5 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL).  What is…

A: Given: Mass of alcohol= 39.5 g The volume of water= 100.0 mL The density of water= 1.00 g/mL To…

Q: A student placed 11.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A: Molatity (M) is defined as the number of moles of solute per volume of the solution in litre, i.e.…

Q: A dose of Brand X cough syrup has a mass of 32.0 g and contains 0.850 g acetaminophen. What is the…

A:

Q: A throat spray is 1.40% by mass phenol, C6H5OH, in water. If the solution has a density of 0.9956…

A: The term molarity or concentration has been defined as the ratio of number of moles of the solute to…

Q: A student placed 11.5 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A: Molarity : Molarity for any solution is expressed as moles of solute which is dissolved per litre…

Q: 2. An alcohol solution contains 35.0 g of 1-propanol (C3H7OH) and 150 g of ethanol (C2H50H). (a)…

A: Consider the given information is as follows; Mass of 1-propanol = 35.0 g                  (solute…

Q: To what volume should you dilute 125 mL of an 8.00 M CuCl2 solution so that 50.0 mL of the diluted…

A: Here according to given conditions in question we are doing that:-

Q: One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCI) by…

A: Molarity is defined as a number of moles of solute dissolved in one liter of solution.…

Q: Describe how you would prepare each of the following aqueous solutions.A)Give the mass of the solute…

A: The term molarity of a solution  refers to the ratio of number of moles of the solute to the total…

Q: How many grams of iron ammonium sulfate hexahydrate (Fe(NH4)2(SO4)2*6H20; 392.14 g/mol ) must be…

A: molar mass of Fe(NH4)2(SO4)2.6H2O = 392.14 g/molConcentration of Fe2+ = 5.3610-3 M

Q: oluene 1C7H82 weighs 5.0 g and benzene weighs 225 g in a solution with a density of 0.876 g/mL. The…

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution.

Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

A: Solution :       The molarity of the solution is defined as the number of moles of solute dissolved…

Q: Glycerol, C3H8O3, is a substance used extensively in the manufacture of cosmetics, foodstuffs,…

A: Given, Density of glycerol = 1.2656g/mL. Volume of glycerol = 50.000mL. Volume of solution =…

Q: An ethanol-water solution has been prepared by dissolving 10 mL of ethanol (d=0.789 g/mol) in a…

A: Given:- Volume of ethanol = 10 mL Density of ethanol = 0.789gml Volume of solution = 100 mL Density…

Q: A solution is made by mixing 48.2 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL). What is…

A: Given ; mass of alcohol = 48.2 g  And volume of water = 100 mL  Since density of water = 1 g/mL…

Q: A student placed 11.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A: Molarity = Number of moles of solute/Volume of solution in L Number of moles of solute = Mass of…

Q: What mass in grams (g) of C12H22O11 (sucrose) (MM=342.30 g/mol ) is needed to prepare 227.5 mL of a…

A:

Q: What is the percent by mass of a solution made by dissolving 55.0 g RbCl in 345 g water?    What is…

A:

Q: Glycerol, C3H8O3, is a substance used extensively in themanufacture of cosmetic s, foodstuffs,…

A:

Q: You wish to prepare 100.0mL of an aqueous solution of NaCl (aq) that has a molarity of 0.55 M. What…

A:

Q: You are given a solution of chlorophyll that contains 132mg chlorophyll (a chemical formula of…

A: Molarity of chlorophyll solution can be calculated as follows

Q: Glycerol, C3H8O3, is a substance used extensively in the manufacture of cosmetics, foodstuff,…

A: Given,

Q: Swimming pool water is often made safe for swimming by treating with chlorine in the form of sodium…

A: Answer:

Q: A:If 100 mL of a 0.15 M Mg(NO3)2(aq) solution has a density of 1.09 g/mL, which of the following…

A: Part A: From the given molarity value and volume of Mg(NO3)2 the moles of Mg(NO3)2  can be…

Q: A student needs to prepare 250 mL of a 0.750 M aqueous solution of sucrose, C₁2H₂20₁1 (aq), which is…

A: Standard solutions are solutions having known concentration. It is generally prepared from a known…

Q: A solution with a density of 0.876 g/mL contains 5.0 g of toluene (C7H8) and 225 g of benzene.…

A:

Q: Give the mass of the solute and mass of the solvent for 1.30 L of a solution that is 14.0 % of…

A: Given data :  Volume of solution = 1.30 L = 1.30 × 103 ml  Density of solution = 1.16 g/ml   Mass by…

Q: A solution is prepared by mixing 50.0 mL toluene (C6H5CH3, density = 0.867 g/mL, 92.13 g/mol) with…

A: Mass percentage of toluene: Mass% = Mass of toluene in the solutionSum of masses of all components…