Ionic Reactions

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Last updated: August 5, 2019

Ionic Reactions BY tb0227 Procedure Read through the following Procedures and then draw a data table in your notebook to record your observations about any precipitates or gases that form when the two solutions are combined. Remember to include color for precipitates. Examine the reactions against both dark and white backgrounds. If there is no reaction for that combination of solutions write NR (no reaction). Before beginning, set up a data table similar to the Data Table: Solubility Rules Table in the Lab Report Assistant section.CAUTION! Sodium hydroxide is caustic and can burn skin and clothes if it touches them. Rinse any spills well with copious amounts of water. Also, most of these chemicals are toxic by ingestion.

So remember, no food or drinks in the lab! 1. All reactions will be performed in the 96-well plate. a. Place 2 drops of cobalt (II) nitrate solution into seven of the A row wells. b. Place 2 drops of copper (II) nitrate into seven of the B wells. c. Place 2 drops of iron (Ill) nitrate into seven of the C wells.

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d.Place 2 drops of barium nitrate into seven of the D ells. e. Place 2 drops of nickel (II) nitrate into seven of the E wells. 2.

When performing the following, NEVER TOUCH THE TIP OF THE PIPET TO THE SOLUTION ALREADY IN THE WELL! a. Place 2 drops of sodium phosphate solution into five vertical wells under column number 1. b.

Place 2 drops of sodium iodide solution into five vertical wells under 2. c. Place 2 drops of sodium sulfate solution into five vertical wells under 3. d. Place 2 drops of sodium chloride solution into five vertical wells under 4. . Place 2 drops of sodium icarbonate solution into five vertical wells under 5. f.

Place 2 drops of sodium carbonate solution into five vertical wells under 6. g. Place 2 drops of sodium hydroxide solution into five vertical wells under 7. Cleanup: When all observations have been recorded rinse the 24-well plate and the 96-well plate under tap water until all remnants of chemicals have disappeared.

Use a [email protected] to remove stubborn precipitates. If the precipitates are allowed to dry they are much harder to remove. Dispose of any unused solutions by

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