Which of these organelles produce proteins
A. cell membrane
B. cytoplasm
C. vacuole
D. ribosomes

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

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5

Can anyone answer these questions? ? i need it before 1: 00pm today