(a)
Interpretation:
The method for separating a mixture of the volatile gases butane, propane, and isopropane into its components should be determined.
Concept introduction:
A laboratory technique used to separate components of the mixture is known as chromatography. In this method, mixture is dissolved in a fluid known as mobile phase. Different components travel at different speed in the mixture. This results in the separation of the components.
(b)
Interpretation:
The method for separating a solution of rubbing alcohol made up of isopropyl alcohol and water into its components should be determined.
Concept introduction:
Distillation process is used to separate the components of the mixture in liquid state using boiling and condensation methods.
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Chapter 1 Solutions
Chemistry: Principles and Reactions
- A student needs to prepare 250 mL of a 0.850 M aqueous solution of sucrose, C12H22O11(aq), which is used frequently in biological experiments.arrow_forwardDensity of an aqueous solution of nitric acid is 1.43 g/mL. If this solutioin contained 36.0% nitric acid by mass, what volume of solution would be needed to supply 1.50 mmol of nitric acid?arrow_forwardIf 0.42 mg calcium fluoride, CaF2 is used as above to add fuoride to the drinking water, doesCaFz add more fluoride than 0.42 g of NaF in the 250 mL glass of water? Justify your answer.arrow_forward
- What is the molarity of C₁2H22O11 in an aqueous solution that is prepared by dissolving a 29.87 g sample of impure C12H22011 in water to make 725.0 mL of solution. Assume that the sample is 83.0% C12H22011 by mass. Enter your answer in mol L-1, accurate to three significant figures. Do not include units as part of your answer. Use the following molar masses, in g mol-¹, for your calculations. H, 1.008 Number C, 12.01 0, 16.00arrow_forward51. A concentrated perchloric acid solution is 65.8% HClO4 by mass and its density is 1.68 g mL−1. What volume (in litres) of the concentrated perchloric acid solution is needed to make 1.81 L of 2.62 mol L−1 HClO4(aq)?arrow_forwardGiven the 250 mL of 0.400 M Co(NO3)2 shown above, prepare 200. mL of 0.0900 M Co(NO3)2 solution. (a) Do the calculations required and report the answer. (b) Describe the specific steps to perform this dilution, being careful to mention amounts of chemicals and specific glassware needed so that anyone can make this solution using only your instructions.arrow_forward
- 10. An element has two isotopes of relative atomic masses 41.0 u and 44.0 u. The relative abundance of the isotopes are 90.0% and 10.0% respectively. The average atomic mass of the element is: (A) 41.0u (B) 41.3u (C) 42.5u (D) 43.7u 2 11. Which of the following phrases best describes the term solubility? (A) the ability of a solvent to dissolve in a solute (B) the ability of a solute to dissolve in a solvent (C) the maximum amount of solute that will dissolve in solvent at a given temperature (D) the maximum amount of solvent that will dissolve in a solute at a given temperature 4arrow_forwardHow many grams of KIO3 is required to prepare 250 mL, 0.01 M KIO3(aq) solution?arrow_forward62. When corn is allowed to ferment, the fructose in the corn is converted to ethyl alcohol according to the following reaction C,H12O6(aq) →2C,H;OH(1) + 2CO2(g) (a) What volume of ethyl alcohol (d = 0.789 g/mL) is produced from one pound of fructose? (b) Gasohol can be a mixture of 10 mL ethyl alcohol and 90 mL of gasoline. How many grams of fructose are required to produce the ethyl alcohol in one gallon of gasohol? 7arrow_forward
- In the laboratory you dessolve 22.3g of iron (III) fluoride in a volumetric flask and add water to a total volume of 250mL. What is the molarity of the solution?arrow_forwardThe EPA has set a limit for uranium in drinking water at 30 micrograms per Liter. This corresponds to a mass concentration of 30ppb. What is the tolerable limit of uranium (in grams) associated with 2.50 kg of water.arrow_forward(a) The sodium ion did not take part in this chemical reaction(Diluted H2SO4(aq) versus NaOH(aq)). What do we call such an ion?(b) Draw a simple diagram which shows how the sodium ion mixes with water in solution.What do we call this physical process?arrow_forward
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