Can someone tell me if these are right? I am supposed to be decoding this for my escape room but it seems to be wrong.

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver