A. 114 g
B. 1.89 * 10^-22 g
C. 1.10 * 10^-22 g
D. 4.32 * 10^-23 g
2007-08-22 03:47:15 · 6 answers · asked by Vinny L 1 in Science & Mathematics ➔ Chemistry
Molar mass = 114 g/mol
This is the mass of one mole.
1 mole ==> 6.02 x 10^23 molecules
Each molecule weights :
114 / 6.02 x 10^23 =1.89 x 10^-22 g
B is the correct answer
2007-08-22 03:54:54 · answer #1 · answered by Dr.A 7 · 0⤊ 0⤋
mass of C8H18
mass of C=12, mass of H=1
so mass of C8H18 = 8*12+18*1 = 96+18=114
2007-08-22 03:56:36 · answer #2 · answered by maussy 7 · 0⤊ 1⤋
the molecular weight is 114 g (approx) since, molecule mass = molecular weight (MW) , but Steve_geo1 is correct and B is the correct answer:
as he stated:
114gC8H18/1molC8H18 x 1molC8H18/6x10^23moleculesC8H1... = 1.9 x 10^-22 g/molecule
Don't forget Avagadro!
2007-08-22 03:53:58 · answer #3 · answered by originalsmartie 4 · 0⤊ 1⤋
114gC8H18/1molC8H18 x 1molC8H18/6x10^23moleculesC8H18 = 1.9 x 10^-22 g/molecule
So B is correct.
2007-08-22 03:58:47 · answer #4 · answered by steve_geo1 7 · 1⤊ 0⤋
A
cuz its the one that
is not like the other
so it has to be it. b and c and d try to confuse you
like everyone else
they stupid like you
2007-08-23 12:07:31 · answer #5 · answered by vinny la is stupid 1 · 0⤊ 0⤋
b
2007-08-22 04:08:40 · answer #6 · answered by feeju 4 · 0⤊ 0⤋