There are 18 protons and electrons and 22 neutrons in the atom
Because it has molecules of water in it
A solute is the substance to be dissolved (sugar). The solvent is the one doing the dissolving (water). The amount of solute that can be dissolved by the solvent is defined as solubility. Water can form a gas f hotnot heated and if you put something cold in the water that has that was formed can be dissolved by that cold substance.
Answer:
Your awnser is correct
Explanation:
Cu + 2HCl ---------> CuCl2 + H2