It also occurs in some foods. Question: Suppose 60.0 grams of camphor (molar mass = 152.23 g/mol) is dissolved in 425 mL of ethanol (molar mass = 46.07 g/mol). Assume you dissolve 45.0 g of camphor, C10H16O, in 425 mL of ethanol, C2H5OH. The density of ethanol is 0.785 g/mL. Services, Percents & the Percent Formula: Definition & Examples, Working Scholars® Bringing Tuition-Free College to the Community, The mass of camphor: {eq}m_c = 60.0 \ \rm g Do radioactive elements cause water to heat up? All rights reserved. It has an odor like camphor.It is slightly soluble in water. Calculate the molality, mole fraction, and weight percent of camphor in the solution. {/eq} of camphor in the solution is given by: {eq}\displaystyle{\begin{align*} r &= \dfrac{60.0 \ \rm g}{60.0 \ \rm g + 425 \ \rm mL\times 0.785 \ \rm \dfrac{g}{mL}}\times 100\%\\[0.3cm] Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. 1,7,7-trimethyl-bicyclo[2.2.1]heptan-6-one, 1,7,7-trimethylbicyclo[2.2.1]heptan-2-one, 1,7,7-trimethylbicyclo[2.2.1]heptan-6-one, 1,7,7-triméthylbicyclo[2.2.1]heptan-6-one, (1Z)-1-[nitro(2-thienyl)methylene]-2-phenylhydrazine, 3-methyl-5-(4-nitrophenyl)-1,2,4-oxadiazole 4-oxide, 2-(1,1-dimethyl-2-propenyl)-1-naphthyl acetate, 3-bromo-2H-thiete 1,1-dioxide (59463-74-0), 2-(1-methyl-1-vinyl-2-propenyl)cyclohexanol, (5E)-2,6-dimethyl-1,5,7-octatrien-3-ol (28977-58-4), [(1Z)-2-methoxy-penta-1,4-dienyl]sulfanyl-benzene, (E)-phenyl-(1,3,4-trimethyl-3H-1-benzazepin-2-ylidene)amine, 1,3,4-trimethyl-1,3-dihydro-2H-1-benzazepin-2-one, 3-phenyl-6-(trifluoromethyl)-1,2-dihydro-1,2,4,5-tetraazine, 3-phenyl-6-(trifluoromethyl)-1,2,4,5-tetraazine (56349-37-2), methyl 3-chloro-6-methoxy-1-benzothiophene-2-carboxylate, 3,3-dimethyl-2,3,4,5,6,9-hexahydro-1H-benzo[a]cyclohepten-1-one, ethyl 2-(benzylideneamino)-2-(3-oxocyclohexyl)acetate, 6-amino-3,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one (60064-29-1), 2-methyl-5-methylol-p-benzoquinone (40870-52-8), The Journal of Organic Chemistry, 41, p. 3329, 1976. {/eq} of ethanol in the solution is given by: {eq}\displaystyle{\hspace{1cm}m_e = V\rho} Calculate the molality, mole fraction, and weight percent of camphor in the solution. - Definition, Methods & Examples, Basic Algebra: Rules, Equations & Examples, McDougal Littell Algebra 1: Online Textbook Help, Glencoe Pre-Algebra: Online Textbook Help, SAT Subject Test Literature: Tutoring Solution, High School Algebra I: Homework Help Resource, HiSET Language Arts - Reading: Prep and Practice, TCAP HS EOC - Biology I: Test Prep & Practice, SAT Subject Test Mathematics Level 2: Tutoring Solution, SAT Subject Test Chemistry: Practice and Study Guide, Biological and Biomedical - Definition & Overview, Dividing Decimals: Steps, Rules & Examples, Ratios and Proportions: Definition and Examples, Markup & Markdown: Calculation & Examples, What is a Proportion in Math? Assume you dissolve 45.0 g of camphor, C10H16O, in 425 mL of ethanol, C2H5OH. \hspace{1cm}r &= \dfrac{m_c}{m_c + V\rho}\\[0.3cm] USE: Isoborneol is used in perfumes, as a flavoring and to make other chemicals. - Definition & Practice Problems, Using Equations to Solve Age Problems in Math, What Is The Order of Operations in Math? - Definition & Examples, What is a Line Graph? - Definition & Examples, What is Subtraction in Math? It is abbreviated as X, X = moles camphor / (moles camphor + moles ethanol), X = 0.296 moles / (0.296 moles + 7.25 moles), Weight percent is defined as the weight of camphor divided by the total weight of the mixture, times 100%, %Wt = (Mass Camphor / (Mass Camphor + Mass Ethanol)) * 100%, Remove Your Moles, Warts & Skin Tags in 3 Days, percent weight of camphor is its weight over total weight (45.0g/(333.625g+45.0g))x100% which is 11.9%, you have a molar mass for camphor of 152.23g/mol, divide that by volume of solution in Liters .425L. What... Write 56% as a fraction in simplest form. \end{align*}} The retail price of a toothbrush is $20. Join Yahoo Answers and get 100 points today. Sodium borohydride is a white to grayish crystalline powder. Calculate Percentages: Formula & Overview, What is a Percent? It is decomposed by water to form sodium hydroxide, a corrosive material, and hydrogen, a flammable gas.The heat of this reaction may be sufficient to ignite the hydrogen.The material itself is easily ignited and burns vigorously once ignited. It is a terpenoid with the chemical formula C 10 H 16 O.It is found in the wood of the camphor laurel (Cinnamomum camphora), a large evergreen tree found in East Asia, also of the unrelated kapur tree (Dryobalanops sp. Calculate the weight percent of camphor. Ok first you need to find the moles of camphor you're using. can you make a sword out of the combination of these materials Moonstone,Gold,Platinum,Carbon Fiber. Determine the molar mass of an ideal gas B if 0.622 g sample of gas B occupies a volume of 300 mL at 35 °C and 1.038 atm.? If 15 \% of the 250 million adult Americans live... A cell phone has a memory capacity of 32 GB and is... An employee got a 20% raise. Still have questions? © copyright 2003-2020 Study.com. Now we'll calculate the moles of Ethanol from it's weight, found using density. {/eq}, The volume of ethanol: {eq}V = 425 \ \rm mL {/eq}. Sciences, Culinary Arts and Personal Why is the periodic table organized the way it is? How long does it takes Sodium Chloride to heat up to 40 degrees? Therefore, the relative mass {eq}(r) {/eq}. However business... Population in a particular town went from 28,000... Thomas buys a car for $8500. - Definition & Examples, Partial Fractions: Rules, Formula & Examples, What is Ratio in Math? Get your answers by asking now. Camphor (/ ˈ k æ m f ər /) is a waxy, flammable, transparent solid with a strong aroma. The relative mass of a component substance of a mixture is the ratio of the mass of the component substance in a sample of the mixture to the total mass of the sample. camphor - cas 76-22-2, synthesis, structure, density, melting point, boiling point IDENTIFICATION: Isoborneol is a white solid. The mass {eq}(m_e) {/eq}. All other trademarks and copyrights are the property of their respective owners. 'Crazy train': GOP lawmaker rips Trump's fraud claims, Denzel Washington 'safe' after smoke call at home, Yang dismayed by Asian American reaction to Trump, Senator's 'tone deaf' tweet on Lakers, Dodgers slammed, AOC calls Biden's new chief of staff a 'unifying pick', COVID-19 vaccine may have unpleasant side effects, Disney CEO 'extremely disappointed' in Calif. leaders, CDC outlines which masks are most effective, Jack Nicklaus won't talk Trump at Augusta National, Short lockdown could halt virus spike: Biden adviser, Nancy Pelosi calls on Republicans to 'stop the circus'. {/eq}, The density of ethanol: {eq}\rho = 0.785 \ \rm \dfrac{g}{mL} The density of ethanol is 0.785 g/mL. There is a sales tax... A t-shirt is on sale for 25% off of $19.99. r &= \dfrac{m_c}{m_c + m_e}\\[0.3cm] Moles = .296 moles (with appropriate sigfigs). (The density of ethanol is 0.785 g/mL). When we multiply the relative mass, we get the mass percent of the component. Moles = 7.25 moles (with appropriate sigfigs, Molality is defined as moles of solute (Camphor) per litre of Solvent, Molality = 0.696 M (with appropriate sigfigs), Mole fraction is defined as moles of one thing divided by the total moles. The retail price of a toothbrush is $40. r &\approx \boxed{{\color{red}{\mathbf{15.2\%}}}}\\ EXPOSURE: Workers that use isoborneol may breathe in vapors or have direct skin contact. Isoborneol occurs naturally in some plants and essential oils and various spices. Our experts can answer your tough homework and study questions. Suppose 60.0 grams of camphor (molar mass = 152.23 g/mol) is dissolved in 425 mL of ethanol (molar mass = 46.07 g/mol). - Definition & Examples, Percentage Increase and Decrease: Calculation and Examples, How to Find the Perimeter of a Rectangle: Formula & Example, What are Whole Numbers?
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