I think the answer is B)SO3
The balanced equation for the neutralisation reaction is as follows
2LiOH + H₂SO₄ ---> Li₂SO₄ + 2H₂O
stoichiometry of LiOH to H₂SO₄ is 2:1
both LiOH and H₂SO₄ are strong bases and strong acids respectively, therefore they completely ionise into their respective ions
1 mol of H₂SO₄ is neutralised by 2 mol of H₂SO₄
therefore 2.0 mol of H₂SO₄ is neutralised by - 2 x 2.0 = 4.0 mol of LiOH
4.0 mol of LiOH is required to neutralise 2.0 mol of H₂SO₄
Water (H2<span>O) can be </span>called<span> a molecule or a compound because it is </span>made of hydrogen<span> (H) and </span>oxygen<span> (O) atoms. There are two main types of chemical bonds that hold atoms together: covalent and </span>ionic<span>/electrovalent bonds. Atoms that share electrons in a chemical bond have covalent bonds.
Hope this helps.</span>
I believe it would be the 2nd one, “increasing the area of their contact”.