A.2.17 mol Pb/(207 g Pb/mol Pb)
B. (207 g Pb/mol Pb) × 2.17 mol Pb
C. (6.022 × 1023 atoms Pb/mol Pb) × 207 g Pb/mol Pb
D. (207 g Pb/mol Pb)/2.17 mol Pb
2006-10-09 12:10:31 · 4 answers · asked by Ashley C 1 in Science & Mathematics ➔ Chemistry
mass = number of moles x atomic mass (m = n*Ar) so:
m = 207 g/mol * 2.17 mol
The right answer is (B).
2006-10-09 12:38:50 · answer #1 · answered by Dimos F 4 · 0⤊ 0⤋
It is B.
You know you do not need to know anything to get this answered just follow some common sense. Look at the units: which ones give you grams?
2006-10-09 19:14:27 · answer #2 · answered by Dr. J. 6 · 0⤊ 0⤋
I dont know, but if i were smoking weed right now, i would. ill smoke and then try to answer this question.
2006-10-09 19:13:15 · answer #3 · answered by Anonymous · 0⤊ 0⤋
dude, GET A LIFE
2006-10-09 19:11:52 · answer #4 · answered by thrila_in_manilla 2 · 0⤊ 0⤋