Fluent Essays

Directions: Use dimensional analysis to solve the following problems. Be sure to show all of your work, include your units, and use correct significant figures! Directions: Use dimensional analysis to solve the following problems. Be sure to show all of your work, include your units, and round your answers to the correct number of significant figures. wksh3_introtoacidsandbases.pdf quiz1_ws1_2__2_.pdf quiz1_ws1_2__1_.pdf wksh2_molaritycalcs.pdf wksh1_introtosolutions.pdf _________________4_.rar Unformatted Attachment Preview Name: __________________________________ Date:__________________ Class period:_____ Unit: Acids, Bases, and Solutions “Acids and Bases” – Wksh #3 HOMEWORK! 1. Explain the difference in the properties of acids and bases. Name at least 5 properties for each. Acids Bases 2. Name the following acids and bases: a) HF f) Ba(OH)2 b) KOH g) H2S c) H2SO3 h) Al(OH)3 d) Ca(OH)2 i) H3PO4 e) HNO3 j) Li(OH) Copyright © 2015 MsRazz ChemClass 3. Write formulas for the following acids and bases: a) Acetic acid e) Chlorous acid b) Magnesium hydroxide f) Cesium hydroxide c) Hydrobromic acid g) Chromic acid d) Gallium hydroxide h) Iron (III) hydroxide Copyright © 2015 MsRazz ChemClass Name:______________________________________ Date:_______________ Class period:____ UNIT: Acids, Bases & Solutions, Quiz #1 (WS 1-2) (A) 34 Directions: Fill in the best answer for each of the following. Some choices may be able to be used more than once, and some not at all. (1 point each) A. B. C. D. E. F. Supersaturated Decrease Molarity Concentrated Increase Immiscible G. H. I. J. K. L. Dilute Concentrated Solid Solubility Unsaturated Saturated M. N. O. P. Q. R. Less quickly Moles Solute Solvent Miscible More quickly S. Dilute T. Rate U. Gas 1. ____ Pressure has no effect on the solubility of ___ solutes. 2. ____ The solubility of a ___ solute will increase with decreasing temperature. 3. ____ If a soluble solute stops dissolving in a solution, then the solution must be ___ 4. ____ Increasing pressure will result in an ____ in solubility of a gas. 5. ____ Powdered sugar will tend to dissolve ____ than a sugar cube. 6. ____ The ____ is the substance doing the dissolving. 7. ____ If polar and nonpolar substances are mixed together they are said to be ____. 8. ____ If a small amount of solute is dissolved in solution the solution would be called ___. 9. ____ A solution with more than the maximum amount of solute dissolved. 10. ____ The ____ is the amount of solute in moles that will dissolve per liter of solution. 11. ____ Describes liquids that are soluble in each other. 12. ____ Stirring increases the ____ at which a solute dissolves. 13. Answer the questions using the diagrams of the flasks below. The solubility of KCl in water is 34.0g in100g of water at 20°C. Write ALL appropriate answers on the lines. A B C 20°C 56.0gKCl 100g H2O 20°C 56.0gKCl 200g H2O 20°C 0.12molKCl 100g H2O a) (1 point) Which flask is saturated? ________ b) (1 point) Which flask is unsaturated? ________ c) (2 points) For the flask(s) that was/were identified as saturated, how much KI would you expect to see on the bottom? Copyright © 2015 MsRazz ChemClass Directions: Show all of your work for each of the following problems. 1. What is the molarity of a solution that contains 2.21 moles of MgBr2 in 2.93 L of solution? (4 points) 2. Calculate the molarity of a solution, when 20.2g of potassium nitrate (KNO 3) is dissolved in 250.0mL of water. (8 points) 3. What volume of a 1.63 M solution would contain 1.960 grams of Ca3(PO4)2. (6 points) Copyright © 2015 MsRazz ChemClass Name:______________________________________ Date:_______________ Class period:____ UNIT: Acids, Bases & Solutions, Quiz #1 (WS 1-2) (A) 34 Directions: Fill in the best answer for each of the following. Some choices may be able to be used more than once, and some not at all. (1 point each) A. B. C. D. E. F. Supersaturated Decrease Molarity Concentrated Increase Immiscible G. H. I. J. K. L. Dilute Concentrated Solid Solubility Unsaturated Saturated M. N. O. P. Q. R. Less quickly Moles Solute Solvent Miscible More quickly S. Dilute T. Rate U. Gas 1. ____ Pressure has no effect on the solubility of ___ solutes. 2. ____ The solubility of a ___ solute will increase with decreasing temperature. 3. ____ If a soluble solute stops dissolving in a solution, then the solution must be ___ 4. ____ Increasing pressure will result in an ____ in solubility of a gas. 5. ____ Powdered sugar will tend to dissolve ____ than a sugar cube. 6. ____ The ____ is the substance doing the dissolving. 7. ____ If polar and nonpolar substances are mixed together they are said to be ____. 8. ____ If a small amount of solute is dissolved in solution the solution would be called ___. 9. ____ A solution with more than the maximum amount of solute dissolved. 10. ____ The ____ is the amount of solute in moles that will dissolve per liter of solution. 11. ____ Describes liquids that are soluble in each other. 12. ____ Stirring increases the ____ at which a solute dissolves. 13. Answer the questions using the diagrams of the flasks below. The solubility of KCl in water is 34.0g in100g of water at 20°C. Write ALL appropriate answers on the lines. A B C 20°C 56.0gKCl 100g H2O 20°C 56.0gKCl 200g H2O 20°C 0.12molKCl 100g H2O a) (1 point) Which flask is saturated? ________ b) (1 point) Which flask is unsaturated? ________ c) (2 points) For the flask(s) that was/were identified as saturated, how much KI would you expect to see on the bottom? Copyright © 2015 MsRazz ChemClass Directions: Show all of your work for each of the following problems. 1. What is the molarity of a solution that contains 2.21 moles of MgBr2 in 2.93 L of solution? (4 points) 2. Calculate the molarity of a solution, when 20.2g of potassium nitrate (KNO 3) is dissolved in 250.0mL of water. (8 points) 3. What volume of a 1.63 M solution would contain 1.960 grams of Ca3(PO4)2. (6 points) Copyright © 2015 MsRazz ChemClass Name: __________________________________ Date:__________________ Class period:_____ Unit: Acids, Bases, and Solutions “Molarity Calculations” – Wksh #2 HOMEWORK! 1. Define the following terms: Concentration – Dilute – Concentrated – Molarity 2. Calculate the molarity of a solution if there are 1.5 mol of NaCl in 2.3 L of solution. 3. How many moles of sucrose (C12H22O11) would be in 8.7 L of a 1.1 M solution of sucrose? 4. How many liters of a 0.225 M solution of KI are needed to contain 0.935 moles of KI? Copyright © 2015 MsRazz ChemClass 5. How many grams of CaF2 are present in 1.25 L of a 0.15 M solution of CaF2? 6. What is the molarity of a solution that is made by adding 57.3 g of MgO to 500.0 mL of solution? 7. How many mL of a 0.63 M solution would contain 12 g of Al(NO3)3? 8. What mass of Ba3(PO4)2 is contained in 1575 mL of a 0.35 M solution of Ba3(PO4)2? Copyright © 2015 MsRazz ChemClass Name: __________________________________ Date:__________________ Class period:_____ Unit: Acids, Bases, and Solutions “Intro to Solutions” – Wksh #1 HOMEWORK! 1. Fill in the best answer for each of the following: a) A ___________________________ is made up of a solute and a solvent. b) The ____________________ is the dissolved particles in the solution. c) The ____________________ is the dissolving medium in the solution. d) The ____________________ is the amount of a substance that dissolves in a given quantity of solvent at a particular temperature to produce a saturated solution. e) A(n) ______________________ solution contains the maximum amount of solute that can be dissolved in that solvent at that temperature. f) A(n) ______________________ solution contains more solute than it can theoretically hold at that temperature. g) In a(n) _________________________ solution, more of the solute can still be dissolved. h) When two liquids will dissolve in each other, they are said to be _________________ i) Oil and water are examples of two liquids which are __________________________ in each other. j) For most substances, as the temperature of the solution _______________________, the solubility will increase. k) The only type of solutes which are affected by a change in pressure are those in the _______________________ state. l) As the pressure increases, the solubility of gaseous solutes will ________________. m) However, when the temperature increases, the solubility of gaseous solutes will _______________________. n) Heating a solution will ___________________the rate at which a salt dissolves in water. o) Other ways to increase the rate at which a solute dissolves is to _________________ or ________________________. p) The rate at which a solute dissolves is not related to the _____________________ of the solute which can dissolve. q) The ________________________ of a solution is the amount of solute that is dissolved in a given quantity of solvent. r) A ____________________ solution contains only a small amount of solute. Copyright © 2015 MsRazz ChemClass s) A ____________________ solution contains a large amount of solute. 2. Distinguish between a solution in general and an aqueous solution. 3. Identify the solvent and the solute in a solution of table sugar in water. 4. Why is water an excellent solvent for polar compounds but not for nonpolar compounds? Copyright © 2015 MsRazz ChemClass ... Purchase answer to see full attachment