Answer:
Changes in Properties Changes in properties result when new substances form. For instance, gas production, formation of a precipitate, and a color change are all possible evidence that a chemical reaction has taken place. ... Change in Color A color change can signal that a new substance has formed.
Explanation:
I think the answer is
D. Meter Second
hope this helps.
Psolution = X · PH_20
= 0.966 · 31.8 torr
= 30.7 torr
Mass 456
relative mass 82
moles
mass = rm x moles
456/82 = 5.5609756....
