Making lead(II) sulphate Adding a source of aqueous sulphate ions to a solution of lead(II) nitrate results in a white precipitate of lead(II) sulphate. The easiest thing to add is usually dilute sulphuric acid-but any other soluble sulphate would do.Making lead(II) iodide. If you add colourless potassium iodide solution (or any other source of iodide ions in solution) to a solution of lead(II) nitrate, a bright yellow precipitate of lead(II) iodide is produced.he easiest thing to add is usually dilute sulphuric acid-but any other soluble sulphate would do. Making lead(II) iodide. If you add colourless potassium iodide solution (or any other source of iodide ions in solution) to a solution of lead(II) nitrate, a bright yellow precipitate of lead(II) iodide is produced.
Other upcoming eclipses visible in St. Louis will be a partial lunar eclipse on April 4, 2015 and a total lunar eclipse on Sept. 27 and 28, 2015. The next solar eclipse visible for the St. Louis area will be a total solar eclipse on Aug. 21, 2017.
Sunrise, sunset, day length and solar time for St Louis. 1  Sunrise: 06:28AM. 2  Sunset: 07:34PM. 3  Day length: 13h 6m. 4  Solar noon: 01:01PM. 5  The current local time in St Louis is 61 minutes ahead of apparent solar time.