for the reactants, cdso4 and k2s, write a chemical equation showing that each of these dissolves in water.

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

the increase of protons   hope this

answer; 4 electrons;