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- ow do the properties of a nonhomogeneous (heterogeneous) mixture differ from those of a solution? Give two examples of nonhomogeneous mixtures.What is the molar fraction of glycine in an aqueous solution whose concentration is 0.140 molkg-1. Data: Mass H2O = 1 kg; M.M. H2O = 18.01 gmol-1.The distribution coefficient of hydrogen sulfide between benzene and water at 25 degrees Celsius is 5.9880. What is the minimum volume of benzene at 25 degrees Celsius necessary to extract in a single step 80% of the hydrogen sulfide from 1 liter of 0.15 molar aqueous solution of hydrogen sulfide?a.) 0.1336b.) 23.9520c.) 0.6680d.) 1.5030E.) none of the above
- St 1. What is the molarity of an aqueous solution of Catt12 Ou that. has a normal boiling point of 101.40 ℃ and density of 1.68 g/ml? KB for whater is 0.512 °C .kg/more. (Crett 1200 is a non volatile nondissociating route.) A (COL #2. That CON11. Which of the following is the phase diagram of water-nicotine system? TIK |210 Composton of one PR1 P.2 292 200 P2 Cempn of second pha Liquid P=2 Liquid 273- Liquid P.1 P.1 dz da de Liquid, P= 2 Mole fraction of B, Mole traction of B. B C D E Temperature, T O rdueRich LTI e Post Attendee - Zoom M MyOpenMath - MAT 129 enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] Use the References to access important values if neede Match the following aqueous solutions with the appropriate letter from the column on the right. |1. 0.163 m Mn(CH;COO)2 A. Highest boiling point 2. 0.153 m Cul2 B. Second highest boiling point 3. 8.60×102 m Cr2(SO4)3 C. Third highest boiling point 4. 0.400 m Sucrose (nonelectrolyte) D. Lowest boiling point Submit Answer Try Another Version 2 item attempts remaining Visited
- To analyze an aspirin sample, 0.3470 g of crushed tablets are weighed and treated with 50.00 mL 0.1155 M sodium hydroxide, boiling for 10 minutes. Under these conditions the acid acetylsalicylic (MW, 180) reacts according to: CH3COO-C6H4-COOH + 2 OH- → OH-C6H4-COO- + CH3COO- The excess NaOH is then titrated with 11.5 mL of 0.2100 M HCl. What is the purity of said show ?.FSC 8 1921. Brightspace A Aktiv Chemistry C D Z < Q + # At F2 @ 2 What volume in mL of 0.3000 M NaCl solution is required to produce 0.2700 moles of NaCl? W S app.101edu.co Walmart - Hiring Ce... X F3 X # 3 11. Unit 12: Late Adulthood - Develo X E JC 4 D F4 с 144 $ JU F5 R LL F ► 11 % 5 V F6 t 44 T G A 6 F7 Simulation play - Labster B Y H F8 & 7 8 U N Question 7 of 9 DELL F9 X D * 8 J F10 ( M Walmart - Hiring Center 9 F11 JI K 2 O ) O F12 L P 4 : 7 +/- PrtScr W 8 Insert { ( **Example: What is the volume of HCl which is needed to prepare 100 ml of solution has 6 M conc. if you know the % of HCl equal 37 % sp.g was 1.18 g /ml. M=2%- 1000 M.wt. 1000 11.96 36.5 M,V M;V: - 6. 100 - 11.96. V: The volume will dilute to 100 ml
- You are handed a 15.85% by mass aqueous KCl (m.m. = 74.5513 g mol–1) solution (at 25 °C). Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the following: Freezing Point of Solution in Degrees CelciusYou are handed a 15.85% by mass aqueous KCl (m.m. = 74.5513 g mol–1) solution (at 25 °C). Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the following: Osmotic Pressure in atmYou are handed a 15.85% by mass aqueous KCl (m.m. = 74.5513 g mol–1) solution (at 25 °C). Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the following: Boiling point of solution (in °C to one decimal place) Freezing point of solution (in °C to two decimal places) Vapor pressure of the solution (in atm to three decimal places) Osmotic pressure (in atm to three decimal places)