Originally Posted by
rar indeed
Wirelessly posted (Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; PalmSource/hspr-H102; Blazer/4.0) 16;320x320)
Duh. 1 mL of H2 has the same mass as 1 mL of iron filings.
Originally Posted by
carpboy
That would be volume, duh.
Mass of 1 ml of H2 depends on the pressure. Volume of a gas, such as H2 is not a meaningful quantity unless pressure and temperature are also given.