The term mole refers to 6.02x10²³ atoms or molecules of any substance. so regardless of the substance one mole will always be equivalent to 6.02x10²³
Hope that helps
Reactants: H₂SO₄ + 2 NaOH
Products: 2 H₂O + Na₂SO₄
The answer is A.
Granulated sugar dissolves faster than a sugar cube since it has a higher surface area. A sugar cube has a low surface which takes more time to dissolve.