Fe2O3 + 3 CO = 2Fe + 3 CO2 In the reaction above, how many grams of Fe2O3 are required to completely react with 63.78 grams of CO?

a.121.2 g
b. 23.0 g
c 80.4 g
d. 110 g

*refer to attachment*

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Amethod of separation that employs a system with two phases of matter, a mobile phase and a stationary phase, is called