4. As discussed earlier in solutions involving liquids and solids typically more solute can be dissolved at higher temperatures. Can you find any exceptions on the graph? Adulosni 763 5. A saturated solution of NH4Cl is formed from one hundred grams of water. If the saturated solution is Cooled from 80°C to 40°C, how many grams of precipitate are formed? globuloari

4. As discussed earlier in solutions involving liquids and solids typically more solute can be dissolved at higher temperatures. Can you find any exceptions on the graph? Adulosni 763 5. A saturated solution of NH4Cl is formed from one hundred grams of water. If the saturated solution is Cooled from 80°C to 40°C, how many grams of precipitate are formed? globuloari

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Can you help me understand the attached question?
In your first task, you are required to prepare a 100 mL solution of sodium bicarbonate at a concentration of 0.50 M. Complete the following table and calculate the mass of sodium bicarbonate needed to prepare this solution. Molecular weight of sodium bicarbonate Required final concentration Required final volume Amount of sodium bicarbonate needed to make 1 L at 0.5 M Amount of sodium bicarbonate needed to make 100 mL at 0.5 M Mass (g) = Amount (mol) × Molecular Weight (g/mol) Value 84.01 Now that you know the amount of sodium bicarbonate in mol needed to make your solution, you can convert this value into the mass by using the molecular weight of the compound. The following equation may be helpful: Mass of sodium bicarbonate needed to make 100 mL at 0.5 M Units g/mol M (mol/L) L mol mol g In the 100 mL 0.5 M solution, how many molecules of sodium bicarbonate have been added. Hint - In 1 mole there are 6.022 × 10²³ molecules.
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Part C A sucrose solution is prepared to a final concentration of 0.140 M. Convert this value into terms of g/L, molality, and mass %. (Use the following values: molecular weight MW sucrose = 342.296 g/mol; density Psol'n = 1.02 g/mL ; and mass of water, mwat=972.1 g). Note that the mass of solute is included in the density of the solution. Express the concentrations in grams per liter, molality, and mass percent to three significant figures separated by commas. ► View Available Hint(s) | Doto r o for Part redo for eart C restor Part C keyboard shortcuts for Part C help for Part C sucrose concentrations = 47.9,1.4410-4,4.93 Submit Previous Answers X Incorrect; Try Again; 2 attempts remaining for Part for Part Gravimetric analysis Gravimetric analysis is a technique by which information is obtained based on massed values. One application of gravimetric analysis can allow the solubility of a solid to be determined. This is achieved by adding a known mass of solid to solution, then…
The solubility of a compound is 84 g per 100.0 g solvent at 25 °C. If 84 g of the compound is dissolved in 200.0 g of solvent at 25 °C, the solution is dilute unsaturated saturated supersaturated
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! T 1 A Z The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. For example, you know water itself will be present, so you can begin each list with the chemical formula for water (H₂O). -6 Note: "major" chemical species are those present in concentrations greater than 10 mol/L. 89 FI compound propylene glycol Explanation ammonium lodide @ 2 glycerol W S X command Check 30: F2 # 3 formula C,H, (OH)₂ C₂H₂O, NH₂L 20 E E D 8.0 F3 C $ 4 R major species present when dissolved in water F a F4 % 5 V 0 0 T I F5 G 6 B F6 Y 7° H X & 7 00 stv N K F7 U 0.0.... 3 J © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | A- alt ✓ A A C 8 DII FB 1 M ( 9 K F9 O <…