Solvents are commonly rendered anhydrous by boiling them in the presence of a hygroscopic substance; metallic sodium is one of the most common metals used. Other methods include the addition of molecular sieves or alkali bases such as potassium hydroxide or barium oxide.
Google Map of 2017 Total Eclipse in Georgia. Google Map of 2017 Total Eclipse in Georgia. (Click to use interactive map) The map above links to an interactive Google map showing the visibility of the Total Solar Eclipse of 2017 Aug 21 in Georgia.
This will be the first total solar eclipse to touch the United State since 1991 when one occurred in Hawaii, and the first coast-to-coast across the southern U.S. since 1918. The last time a total solar eclipse occurred in the greater St. Louis area was 1442. St. Louisans can expect the next one in 2505.