With an area of 151,563 square kilometres (58,519 sq mi), it is the nation's third-largest state. It comprises 38 municipalities (municipios). In 2010, Coahuila's population is 2,748,391 inhabitants. The five largest cities in Coahuila are the state capital city of Saltillo; the second largest is TorreÃ³n, third largest is Monclova (a former state capital), fourth largest is Ciudad AcuÃ±a, and fifth largest is Piedras Negras
Quick Answer. Opened oil-based paint can last for up to 15 years if sealed correctly. Latex paint can last up to 10 years.
1 After mixing paint that has separated, brush it onto a sheet of newspaper to determine if the surface is rough and bumpyâa sign of bad paint. 2  Latex paint stored properly may last up to 10 years after production.