The mass and volume of each sample differ from the mass and volume of the other samples. Is it possible for each sample to contain 1 mol of each substance? No, because they have different masses.
No, because they have different volumes.
Yes, if each sample contains 6.02 x 1023 atoms.
Yes, if each sample contains 2 amu.

c: Yes, if each sample contains 6.02 x 1023 atoms.

Explanation:

got it right on the test <3

i believe that it is a exoplanet

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )