Posted by George in MIchigan [174.124.197.68] on Monday, January 20, 2014 at 17:17:28 :
In Reply to: Startlling experience with torch -- anybody else had this? posted by Sherman in Idaho [72.47.153.112] on Sunday, January 19, 2014 at 22:37:52 :
Oxygen has a molecular weight of 32, nitrogen is 28 and acetylene is 26. So they are very nearly the same and although C2H2 is slightly lighter than the components of air, I would expect it to mix rapidly with air and become dispersed quickly.