<em></em>hydrogen #1 carbon #6 nitrogen #7 oxygen #8 Phosphorus #15 Sulfur #16 Selenium #34
it is 6,6-Dibromoheptan-2-ol
I hope it helps you
Explanation:
mass = moles * molar mass
molar mass of carbon dioxide (CO2) = 12+32 = 44
= 19.5* 44 = 858
proof
moles = mass /molar mass
= 858/44 = 19.5 moles
B no doubt........................................................
I'm pretty sure it's A, but then again I'm only in 8th grade. Sorry if this doesn't help:(
