2. What is the limiting reagent if 0.5 g Al is reacted with 3.5 g CuCl2?(Reminder: CuCl2 is a dihydrate)

Who is better, messi or cristiano, i need this for a chemistry class. asap

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m