If sodium chloride has a solubility of 46.0 g of sodium chloride in 100g of water at 20 \deg C, how many grams of water are needed to prepare a saturated solution containing 125 g of sodium chloride. Show work. with correct answer
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- # 3 20 E D The molar solubility of aluminum hydroxide in a water solution is Submit Answer 54 $ 888 R F F4 % 5 Retry Entire Group 9 more group attempts remaining T Cengage Learning Cengage Technical Support F5 G A 6 MacBook Air S F6 Y H & 7 V F7 U * 00 8 ▶11 Values it needed for this question. F8 1 9 K F9 O 1 0 J F10 P M. F11 =sq An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.293 °C. The solution contains 1.94 g solute dissolved in 78.9 g H₂O. What is the molar mass of the solute? Submit Submit Answer g/mol Show Approach Show Tutor Steps Retry Entire Group 9 more group attempts remaining Cengage Learning Cengage Technical Support Previous Next> Save and ExitIn the laboratory you are asked to make a 0.375 m potassium sulfate solution using 12.6 grams of potassium sulfate. How much water should you add? grams 9 more group attempts remaining Submit Answer Retry Entire Group ited 72°F 40 ho f2 inort sc 4+ PAI delete & 8. backspace %3D <- 6)
- SHORT ANSWER. For the next 7 questions, 31 to 37, develop the answers concisely, show formulas, values with units, results with units, and correct number of significant figures. The freezing point of ethanol (CH,OH) is -114.6 °C. The molal freezing point depression constant for ethanol is 2.00 °C/m. What is the freezing point ("C) of a solution prepared by dissolving 80.0g of glycerin (C3HgO3 a nonelectrolyte) in 200.0 g of ethanol? BIYA A-IEE x x, = E E- 2 V T 1 12pt Paragraph||| O STATES OF MATTER Using the Kf and Kb equations with electrolytes A certain liquid X has a normal freezing point of 3.50 °C and a freezing point depression constant K, -5.23 °C-kg-mol solution made of 39.g of zinc chloride (ZnCl₂) dissolved in 450. g of X. Round your answer to 1 significant digit. *c X ODD Calculate the freezing point of a= 209; S =32 ). What is the solubility of Bi2S3 in g/L (At. Mass: Bi = Ksp Bi2S3= 1.6 x 10-72 Answer format: 1.00x10-14 (Don't put the unit. Round-off your final answer in two decimal place)
- Consider the solubility profile outlined below of acetanilide in water. Solubility in water at 20C 0.50 g/100mL Compound Acetanilide (a) Determine the minimum amount of water in mL required to dissolve 5.5 grams of acetanilide completely at 100 C. Submit your answer without units Submit Answer Tries 0/99 Solubility in water at 1000 5.50g/100 mL (b) If the solution question (a) above is cooled to 20 C, determine the amount in grams of acetanilide that would remain dissolved water. Submit your answer without units. Your answer Submit Answer Tries 0/99 (c) If the undissolved acetanilide in question (b) above is isolated by a filtration method, determine the amount grams that would be recovered and calculate the % recovery of this process [assuming zero material loss during filtration and transfers]. Submit your answer without units. Your answer [% recovery] Submit Answer Tries 0/99 This discussion is closed. Send Feedbutions - Homework - 2022.pdf - Adobe Acrobat Pro DC (32-bit) E-Sign Window Help ols Chapter 14 - Soluti. x 2 / 3 135% 8) Determine the freezing point of a solution that contains 63.8 g of naphthalene (C10H8, molar mass = 128.16 g/mol) dissolved in 275. mL of benzene (d = 0.877 g/mL). Pure benzene has a melting point of 5.50°C and a freezing point depression constant of 4.90°C/m. d fliv ebruogrnos sniwollot srb lo rdairlW (1 (EelD) onimaly tomit (I acorous (CH3COCH?) stuloe slitslovn qps adnoone B) O 300 CISO Inioq anilam omce ori overl ls verdT (3 D)0 100 a VICI oqmot eirs s ) vilidulce ort oninnsis (E 0.26 gnivlozaib yd bonisido pexsue Ce ylienob e 26rd noituloe adt it DH arlo inalom srb noituloe 1 MS.0lo (J) omulov torWWhat willl be the Molar concertration of the 473.49 HCl solution prepared from 4 mL of concentrated HCl (MW=36.46) ? The density of concentrated HCl is 1.18 g/mL. answer in 2 decimal places no need to write the unit
- Solubility (g of salt in 100 g H,O) KNOS 100 06 NANO 80 70 60 CaCl 50 Pb(NO)2 40 NaCl KCT 30 20 10 KCIO, Ce,(SO,), 10 20 30 40 50 60 70 80 90 100 Temperature (C) If 25.0 grams of K2Cr207 have been dissolved at 80oC, how many more grams are needed to create a saturated solution? Format BIUWhich of the following is expected to be moderately soluble in both water and benzene? H H V Benzene: H-C Select one: O a. O b. O C. O d. H H H-C C=C C-C C=C C-C H-C H H HH HO ||| H-O-C-C-O-H I H H H C=CH C-C H CI-C C-H H HH H C=C² C-C C=C C-C H C-CI H C-C-0-H I H O-H H C-H HColligative Properties Experiment 15: Colligative Properties Postlab 1. When the stems of cut flowers are held in concentrated NaCl (aq), the flowers wilt. Explain the basis of this phenomenon. Is this an isotonic, hypotonic or hypertonic solution? 2. Given two NaCl(aq) solutions at the same temperature; (1) saturated solution with excess NaCl(s) remaining at the bottom of the container and (2) an unsaturated solution with all NaCl dissolved in solution. a. Above which solution is the vapor pressure of water greater? Explain. b. Which of these solutions has the higher boiling point? Explain