Answer: The answer is A, A new element or different atom formed from the original two.
Hope this helps! :D
-<em>TanqR</em>
About 7.1 litres all you have to do is to divide divide the volume value by 1000
11.82 x 1 mole / (molar mass)
The molar mass = 197 g/mol
11.82 / 197 = .06
Answer: the molecular formula is C10H20O
Explanation:Please see attachment for explanation