A student performed the experiment described in this module, using 4.00 mL of a 3.5% H2O2 solution with a density of 1.61 g mL-1. The water temperature was 25 ° C, and the barometric pressure in the laboratory was 30.40 in. Hg. After the student immersed the yeast in the peroxide solution, she collected 79.20 mL of O2. (7) Calculate the mass of H2O2 in 5.00 mL of the H2O2 solution.

Q: 11. Calculate the normality of a potassium dichromate solution prepared by placing 9.67 grams of…

A: In this question, we will determine the normality of K2Cr2O7 from the given mass of potassium…

Q: A dilute solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is…

A: We have to calculate the mole fraction of acetic acid.

Q: one of the most common water-based antifreeze solutions used in cooling systems is a mixture of…

A: The solution of 7.50% V/V contain 7.5 mL of ethylene glycol and 92.5 mL of water. To make the volume…

Q: A dilute solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is…

A: Mole fraction can be calculated by using the formula: Mole fraction of X = Number of moles of…

Q: A dilute solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is…

A: Mole fraction can be calculated by using the formula: Mole fraction of X = Number of moles of XTotal…

Q: 3. Bimatoprost ophthalmic solution (LUMIGAN) contains 0.03% w/v of drug in each 2.5mL. Calculate the…

A: Given : 3)  w/v% = 0.03%Volume = 2.5 m;4) Volume of solute = 4 ml Volume of solution = 250 mlTo find…

Q: Why is aluminum foil punctured in an experiment to determine the partial weight of volatile liquids?

A: In Dumas method for the determination of the molecular weight of a volatile liquid, the Erlenmeyer…

Q: Vhat is the equivalent value in kPa of 0.32 mmHg?

A: The question is based on the concepts of unit conversion. we have been given pressure in  millimetre…

Q: 5. What is the mole fraction of 25% sucrose solution (C12H22011)? Find its concentration. .

A:

Q: 200g of iron) ntrate (MW= 241.86g/mole) is added to 225.0g of watel (MVV determine the mole fraction…

A: Iron (II) nitrate dissolved in the water to give ferric ion and nitrate ion. The balanced equation…

Q: On a clear day at sea level on Planet Y with a temperature of 25 °C, the partial pressure of N2 in…

A:

Q: Three common compounds used in "ice melt" are magnesium chloride, calcium chloride and sodium…

A: #(a): Given that 37.45 g CaCl2 is soluble in 50.0 mL of water. Solubility is calculated as mol/L or…

Q: A dilute solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is…

A:

Q: 3. The partial molar volumes of propanone (acetone) and trichloromethane (chloroform) in a mixture…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Describe the preparation of a 500. ml of 2.50 M solution cupric sulfate pentahydrate, starting from…

A:

Q: CO concentration in ambient air of Peshawar was found to be 94.5µg/m3 in 20132 . Convert it to…

A: Given concentration of CO = 94.5 µg/m3

Q: P-Galactosidase (B-gal) is a hydrolase enzyme that catalyzes the hydrolysis of B-galactosides into…

A: Given: Mass of beta galactoside, m = 0.607 g  Volume of solution, V= 0.171 L Temperature, T= 25 +…

Q: what is the correct volume of 2.5M PhMgBr in THF is needed to completely react with 1.5ml of methyl…

A: The volume of 2.5M PhMgBr in THF is needed to completely react with 1.5ml of methyl benzoate, it is…

Q: What is the molarity of the solution prepared by concentrating, by evaporation of solvent, 755 mL of…

A: Molarity of a solution can be obtained by dividing the number of  moles of soluteby the volume of…

Q: mole fraction

A:

Q: A solution of 75 mM tartaric acid (CaH,O6) in water is used as a standard in HPLC analysis. How many…

A: We know that 1 molar solution stands for 1 mole solute is dissolved in 1 litre solution.  Now, we…

Q: Calculate the osmotic pressure exerted by 2.64 M of a non-electrolyte (i= 1) at 17°C.

A: Since the osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor C =…

Q: The density of grain alcohol is 0.789 g/mL. Given that thedensity of water at 48C is 1.00 g/mL, what…

A: The specific gravity of grain alcohol has to be given,

Q: Calculate the ΔMG when mixing 2 mols H2 at 25ºC and 4 mols N2 at 25 ºC , being both of them at the…

A: For an ideal gas mixture,ΔMG = -T ΔMSwhere ΔMS = -nR (x1 lnx1 + x2 lnx2)  x1 and x2 are mole…

Q: Calculate the Volume of Carbon Dioxide gas that was produced in the reaction of baking soda and…

A:

Q: What is the mole fraction if 250g of calcium acetate is dissolved in 324g water?

A: For any solution, mole fraction gets computed by dividing any substance's moles with the entire…

Q: A closed room is contaminated by carbon monoxide (CO) at a level of 50 ppmv. Knowing the density of…

A:

Q: 3. What is the mole fraction of an isopropyl alcohol(C2H7OH) alcohol made by 70% by mass? a.) What…

A: The 70% by mass of alcohol means 70 g of alcohol in 100 g of solution. The moles of isopropyl…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: A dilute solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is…

A: Mole fraction is the ration of mole of solute to the total no of moles. Given  Mass of acetic acid =…

Q: The boiling point of amphetamine, C₉H₁₃N, is 201°C at 760 torr and 83°C at 13 torr. What is…

A: Given that the vapor pressure at 201oC is 760 torr and vapor pressure at 83oC is 13 torr   To…

Q: A dilute solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is…

A: Mass of acetic acid = 48.7g  Molar mass of CH3COOH = molar mass of [2C + 4 H + 2O] =…

Q: Normality of 100 mL of 1.17% (w/v) CaC12 is . .

A: Normality is defined as the gram equivalent of solute dissolved in a liter of solution. The formula…

Q: A 17.3 mg sample of an organic compound (non-electrolyte) was ground up with 420 mg of camphor,…

A: Depression in freezing point is given by: ∆T = i × Kf × m ΔT = depression in freezing point i = no…

Q: A student performed the experiment described in this module, using 6.00 mL of a 3% H2O2 solution…

A: Given data Volume of Solution = 6ml Density of solution= 1.03 g /ml Mass of 6ml  solution =…

Q: in the conversion to biodiesel, the Jojoba oil is reacted in a 1.0M solution of sodium methoxide in…

A: 2 Na (s) + 2 CH3OH -------------------------->  2Na+   +  2CH3O-    +  H2 (g)   2 Na (s) + 2…

Q: What is the vapor composition of an equal molar mixture of acetone (Pvap = 285 mmHg @ 30 °C) and…

A: Given,  The vapor composition of an equal molar mixture of acetone (Pvap = 285 mmHg at 30 °C) and…

Q: You are given a 27 % (w/v) solution of psicose.                                                Molar…

A: Given, Note: 1 μmoles = 10-6 moles moles of psicose = 450 μmoles = 450 × 10-6 moles % (w/v) of the…

Q: What is the mole fraction of Ca3(PO4)2   by dissolving 126.32 g of calcium phosphate, Ca3(PO4)2, in…

A:

Q: Suppose the rate of evaporation in a hot, dry region is about 2m per year, and the seawater there…

A: Given,Rate of evaporation = 2 m per yearSalinity of seawater = 35 pptYield of NaCl = 90 %Area of…

Q: A dilute solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is…

A: Molar mass of CH3COOH = 60.042g/mol  Moles of acetic acid = 50.2/60.042…

Q: . 10.0 grams of aluminum was added to 155 mL of 0.950 M hydrochloric acid. The products of the…

A:

Q: The vapor pressures of two volatile organic compounds, compound 1 and compound 2, at 20 °C are 79.2…

A: Mole fraction in gas phase of compound 2 is represented by Y2. This will be calculated by…

Q: A certain mixture contains 60% pentane, 30% hexane, and 10% heptane by mass. What is the mole…

A:

Q: Following the irrigation of salted soils, 10,000 L of salty irrigation runoff was filtered by a…

A: Osmosis is a phenomenon that occurs when there are two regions of different concentrations of…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.