How much water would you need to add to make 90.0mL of a 1.20M solution of sodium oxalate from a 2.00M solution of Na2C2O4? A.
36 mL

B.
150.mL

C.
54.0mL

D.
20.0mL

An unknown substance was put in a container. the substance filled up the container from bottom up, taking half of the space in the container. what is most likely the state of matter of the substance? gas liquid plasma solid