The answer is (3) a homogeneous mixture. The difference between homogeneous and heterogeneous mixture is the degree of the mixture being mixed. Due to the completely dissolved and the dissolving ability of KCl, we can get the answer,
1 significant figure, because there is no decimal after the zero the zero doesn't count.
I think i found your answers
Answer:
Noble gases have a complete valence electron shell making them stable and nonreactive.
Explanation:
