Answer : The number of moles of water produced would be, 32 moles.
Explanation : Given,
Moles of
= 16 mole
The given chemical reaction is:

From the balanced chemical reaction we conclude that,
As, 1 mole of
gas react to give 2 moles of

So, 16 mole of
gas react to give
moles of

Thus, the number of moles of water produced would be, 32 moles.