| |--------------------+-------------------+--------------------+------------------+----------------------+--------------------+------------------+------------------+------------------+--------------------+ | | .37870 | 20.05910 | 9.9814 | 2.60000 | 2.0460 | .80680 | 2.4953 | 1.1834 | 1.0211 | 2.0692 | | | | | | | | | | | | | | Carbonic acid, CO₂ | ...... | 2.015[118] | ...... | ...... | ...... | In excess | | | Trace | | | | | | | | | | | | | | | Sulphuretted hydrogen, H₂S | ...... | ...... | ...... | ...... | ...... | 0.5000 | | | | | +------------------------------+--------------------+-------------------+--------------------+------------------+----------------------+--------------------+------------------+------------------+------------------+--------------------+ [Illustration: +Fig.+ 213.—“Old Faithful” in eruption.]