Option 1/A (It is the first one)
Copper choruses purpose is its used as a catalyst for organic and inorganic reactions , mordant for dyeing and printing textiles, pigment for glass and ceramics, wood preservative, disinfectant, insecticide, fungicide, and herbicide. (Not sure if you want the actual purpose of water or not)
Impulse is the product of a force and the time during which that force acts on a body.
NaOH + CH3COOH -> CH3COONa + H20
