Answer:
the element is oxygen
Explanation:
it will react to give H2O
The reaction will occur naturally.
the reaction is spontaneous I think
3.87 x 10^24
Simply multiply the moles by avogadros number
6.42 moles of H2O x 6.022 x 10^23 molecules/1 mole of H2O = 3.87 x 10^24 molecules of H2O
C