neeeeeeeeed helpppp?

0 ⤊

neeeeeeeeed helpppp?

how do you go from 3.90X10^24 atoms of sn to grams of sn?

2006-09-24 05:34:05 · 3 answers · asked by ~ 1 in Science & Mathematics ➔ Chemistry

3 answers

Easy: one mole of Sn = 6.023E23 atoms

Atomic weight of Sn = 118.71 grams/mole

so:

# grams Sn = 118.71 g/mole * (3.90E24/6.023E23)moles

I will leave the arithmetic to you.

2006-09-24 05:38:55 · answer #1 · answered by Dave_Stark 7 · 0⤊ 0⤋

Atomic mass of tin(Sn) is 118.69. 1 mole of Sn has 6.02*10^23 atoms which have a mass of 118.69 grams.

3.90 x 10 ^24 / 6.02 x 10 ^ 23 = 6.48
6.48 x 118.69g = 769 g

2006-09-24 12:50:25 · answer #2 · answered by Dinker 2 · 0⤊ 0⤋

dave_starks is correct...

2006-09-24 12:41:41 · answer #3 · answered by teroy 4 · 0⤊ 0⤋