<span>superconductors, conductors, semiconductors, insulators </span>
PV=nRT
(720/760)(0.200)=(0.800/x)(0.08206)(323.15)
(0.1894736842)=(0.800/x)(0.08206)(323.15)
.0071451809=(0.800/x)
x=MM=111.9635758 g/mol
The answer would be C. It will decrease with descent. Hope this helps!
