44.0095 you're welcome hope this helps
its volume this is the answer because the mercury will turn into gas. gas has more volume because it takes up more space as it spreads.
1. Subscript is below
2. Coefficient large 2 indicates the number of moles
3. Atoms
1/2 O2 + H2 —> H2O
It’s the atoms that balance on each side
Notes that 1/2 is the coefficient and 2 is the subscript in H2 and H2O
It is a compound composed of sodium (Na) and chloride (Cl)
