1 / 8

Review

Review . Solution. True or false. False, it is a colloid. 1. Whipping cream is an example of a solution. 2. Solutions show the tyndall effect. . False, colloids do. 3. Suspensions settle out with time. True. 4. Electrolytes can carry an electric current. True. Molarity.

lore
Download Presentation

Review

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Review Solution

  2. True or false

  3. False, it is a colloid 1. Whipping cream is an example of a solution. 2. Solutions show the tyndall effect. False, colloids do. 3. Suspensions settle out with time. True. 4. Electrolytes can carry an electric current. True.

  4. Molarity 5. A solution has a volume of 250. mL and contains 0.70 mol of NaCl. What is the molarity of the solution? 2.8 M 6. How many grams of glucose, C6H12O6, is needed to prepare 275 mL of a 1.5M glucose solution? 74.3 g

  5. Percent Solutions 7. If 10. mL of acetone is diluted with water to a total solution volume of 200. mL, what is the percent volume (v/v) of acetone in the solution? 5.0% 8. How many grams of NaCl would you need to prepare 1500g of a 5.0% NaCl (m/m) solution? 75g

  6. Dilutions 9. How many mL of a 4.00M KI solution are needed to prepare 250.0mL of a 0.760 M KI solution? 47.5 mL 10. How many mL of a 2.00M NaCl solution must be diluted with water to prepare 100.0 mL of a 0.400 M NaCl solution? 20.0 mL

  7. Molality 11. How many grams of KI must be dissolved in 500.0g of water to produce a 0.060 m KI solution? 5.0g KI 12.Calculate the molality of a solution prepared by dissolving 10.0g NaCl in 600g of water. 0.285 mNaCl

  8. Mole fraction 11. What are the mole fractions of glucose in water if a solution is made with 7.59 g glucose, C6H12O6 , dissolved in 125 g water? Xglucose= 0.00605 Xwater = 0.994

More Related