The three sets of units for expressing density (or concentration, as in “mass of solute per unit volume of solvent”) below are equivalent: kg⁄L = g⁄mL =g cm! ⁄ a) Using dimensional analysis, show that the above expression is true. b) What is 1.0 kg⁄L = 1.0 g⁄mL = 1.0 g cm! ⁄ expressed in SI base units?

Q: In order to form a monolayer of stearic acid (in a petri dish that measures 14.50 cm in diameter),…

A: Density of a substance is useful in the identification of pure substances and characterization with…

Q: Express 1:444 (w/v) as a percent concentration (round to three decimal places) and as a…

A: We need to convert given w/v concentration to percent concentration and parts per million.

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: How many grams of sucrose are needed to make 915 mL of a 32.0% (w/v) sucrose solution? mass:   g…

A:

Q: A 14.0 mL sample of vinegar, which is an aqueous solution of acetic acid, CH3COOH, requires 24.5 mL…

A: From the balanced chemical equation:mols CH3COOH(vinegar) = mols NaOH(titrant) mols NaOH = MNaOH x…

Q: Solutions of cyanide salts are still widely used in the extraction of gold metal from its ores. It…

A: Here, we need to determine the percentage purity of the potassium cyanide in the sample.

Q: A chemist prepares a solution of silver(I) perchlorate (AgCIO 4) by measuring out 1.05 x 10° umol of…

A: When you talk about concentration in μmol/L that means no of micro moles present in one liter of…

Q: What will be the final volume of a solution prepared by diluting 28.6 mL of 8.05 M sodium hydroxide…

A: Detail mathematical calculation is shown below

Q: What is the mass % of ethylene glycol in a 2.61 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A:

Q: A 1.00 L bottle of wine, labeled as 8.5% (by volume) ethanol, is found to have a defective seal.…

A: When oxygen is leaked into the wine, it reacts with ethanol forming acetic acid and water.

Q: Q5: 1.44 grams of a sample of marble (impure calcium carbonate) dissolved in 40 ml of 1.0 normality…

A: Initial concentration of acid (M) = 1.0 M Initial volume of acid (M) = 0.04 L Initial number of…

Q: The toxicity of DDT (C14H9Cl5) led to a ban on its use in the United States in 1972. Determinations…

A: We have to predict the concentration of DDT .

Q: A 1.6 g sample of a compound is transfered to a 100 mL volumetric flask, filled to the mark with…

A: A solution is a homogeneous mixture of two substances. Here 100 mL solution is made by mixing a 1.6…

Q: You have a solution which is 45.7% by mass isopropyl alcohol (MM 60.11 g/mol) in water. The density…

A:

Q: 11) Sn,S, is written as SnS, instead by dividing by the common factor of 2 terli ens O

A:

Q: A solution of 20.91 % by weight H2SO4 has a specific gravity of 1.150. What is the normality of this…

A: Answer-1 Specific gravity is the ratio of density of a substance with the density of water. Since,…

Q: For Practice 8.3 - Enhanced with Feedback You may want to reference (Pages 320 - 324) Section 8.2…

A: Given - - > M1 = 3.50 M M2 = 0.850 M V1 =  100 ml V2 =? We known that, M1V1 = M2V2

Q: A chemist prepares a solution of sodium thiosulfate (Na₂S₂O3) by measuring out 18. g of sodium…

A:

Q: 2.) Five standardized dilutions of aqueous lead(11) chromate solution were prepared by adding a…

A:

Q: Match the units to the setup below for calculation of molarity X when dissolving a liquid X (X…

A: The number of moles of X is calculated as shown below. Thus, 1 is for 1 mol X and 2 is MW g X.

Q: An aqueous solution of sodium hydroxide, NaOH , is made by dissolving 15.6 grams of sodium hydroxide…

A: The question is based on the concept of solutions. molarity is a method of expressing concentration…

Q: What volume of a 1.63 mass % solution of Mg(NO 3)2 is needed to contain 0.316 grams of…

A:

Q: A solution of 20.91 % by weight H,SO, has a specific gravity of 1.150. What is the normality of this…

A: We have to find normality of solution

Q: 1)A 191 −mL sample of a 1.4 MM sucrose solution is diluted to 450 mL. What is the molarity of the…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: How many grams of sucrose are needed to make 625 mL of a 32.0% (w/v) sucrose solution?

A:

Q: You wish to determine the density of two unknown, immiscible liquids, A and B, at room temperature.…

A: Density can be calculated by dividing mass by volume of the liquid. Density=Mass of liquidVolume of…

Q: two strips of metal each weighing 100g are placed into a cylinder containing water. The volume of…

A: Given: Mass of each metal strip = 100 g. Volume of water displaced in case one = 8.8 mL. And Volume…

Q: What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179…

A: 1)  pH of HCl solution to be prepared =1.9

Q: A 0.9% (weight in grams/volume in mL) solution of sodium phosphate is made by adding _______ grams…

A: 0.9% (weight in grams/volume in mL) solution of sodium phosphate is made by adding 18 grams of…

Q: A solution of 20.91% by weight H;SO, has a specific gravity of 1.150. What is the normality of this…

A:

Q: To study a marine organism, a biologist prepares a 1.00-kgsample to simulate the ion concentrations…

A: Hello. Since the question has multiple sub-parts, the first three sub-parts shall only be solved in…

Q: What are the qualitative and quantitative approaches to measure densities, respectively? In air, the…

A: In Quantitative approach, we measure mass of the sample, volume of the sample and then finally,…

Q: Whilst working in the pharmacy aseptic unit you are asked to prepare 5 litres of a solution…

A: Molarity will be constant through out the solution any time.

Q: If 124 mL of a 1.2 M glucose solution is diluted to 550.0 mL , what is the molarity of the diluted…

A: The molarity of the given chemical solution is related to the number of moles of the solute and the…

Q: Density = (0.9M x 36.46g/mol)/36              = 32.814/36              = 0.9115g/mL My problem is…

A:

Q: How many milliliters of 18.0 M H2SO4 are required to prepare 35.0 mL of 0.250 M solution?  Report…

A:

Q: You are making a rubbing alcohol (=isopropyl alcohol) solution to disinfect surfaces. You start with…

A: Given: Initial concentration of alcohol = 4.440 M Initial volume of solution = 316.7 mL And final…

Q: In her chemistry class, Rachel is preparing a special solution for an experiment that she has to…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: An analytical chemist weighs out 0.066 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: 1 Solutions of cyanide salts are still widely used in the extraction of gold metal from its ores. It…

A: Two numerical problems based on extraction of ore, which are to be accomplished.

Q: Phenobarbital was introduced in 1912 for the treatment of epilepsy. It is an anti-convulsant and…

A:

Q: A sample of freshly precipitated and filtered silver chloride weighs 459.0 mg. If 1.00% of the…

A:

Q: One student measured 25 cm3 of a 1.06 g / dm3 sodium carbonate solution. Calculate the mass of…

A: Given Volume of sodium carbonate = 25 cm3  Density of sodium carbonate = 1.06 g/dm3

Q: The volume of H2SO4 acid has a purity of 98% and a density of 1.83, which is required to prepare 0.1…

A: In such questions mass of solute i.e H2SO4 remains equal in both cases.

Q: Match the units to the setup below for calculation of molarity X when dissolving a liquid X (X…

A: The number of moles of X is calculated as shown below. Thus, 1 is for D g X , 2 is mL X, 3 is for 1…

Q: What is the average flow rate in cm3/s of gasoline to the engine of a car traveling at 100 km/h if…

A: Volume of gasoline consumed in 1 hour = 100 km/h10 km/L =100/10 = 10 L/h Average flow rate of…

Q: A solution of 20.91 % by weight H2SO4 has a specific gravity of 1.150. What is the normality of this…

A: We have to find normality of solution

Q: 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L) 8. Average molar…

A: The number of moles of a substance is the mass of the substance upon its molar mass. The molarity of…

Q: 2.) Five standardized dilutions of aqueous lead(1I) chromate solution were prepared by adding a…

A:

Q: A chemist prepares a solution of silver perchlorate (AgClO,) by measuring out 1.07 kg of silver…

A: Given, mass of AgClO4 = 1.07 kg = 1.07 × 1000 g = 1070 g Volume of the solution = 250 mL = 0.250 L…