Answer: Lanthanide or Lanthanides
Explanation: Sorry that I don’t have an explanation. I just answered the question correctly myself. <33
CL
Chlorine<span>
</span>You wiil find in periodic table :)
From the chemical equation given, one mole of CH4 yields two moles of water (H2O). If all the methane gas that is 8.9 L is combusted then the volume of water produced is the number of moles H2O times the volume of the methane gas used up, that is 8.9 L × 2 = 17.8 L of water produced.