how many silver atoms are in 0.5 mole of silver?

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how many silver atoms are in 0.5 mole of silver?

how many silver atoms are in 0.5 moles of silver? (^ = exponent)
1) 6.0 x 10^ 23 atoms
2) 6.0 x 10^ -24 atoms
3) 3.0 x 10^ 23 atoms
4) 2.1 x 10^ 24 atoms

2006-12-14 07:55:45 · 5 answers · asked by HARRY K 1 in Science & Mathematics ➔ Chemistry

5 answers

.5 x (6.02x10^23) = 3.0 x 10^ 23 atoms

2006-12-14 08:00:10 · answer #1 · answered by Anonymous · 0⤊ 0⤋

2006-12-14 15:57:59 · answer #2 · answered by slingerkyle 1 · 0⤊ 0⤋

One mole of anything has 6.02 X 10^23 atoms or molecules. Since you have 0.5 mole, you have 3.0 X 10^23 atoms.

2006-12-14 16:00:28 · answer #3 · answered by hcbiochem 7 · 0⤊ 0⤋

1 mol of any substance contains 6.02*10^23 atoms
So 0.5mol contains 0.5 * 6.02*10^23 = 3.01*10^23 atoms

Answer (3)

2006-12-14 15:59:51 · answer #4 · answered by claudeaf 3 · 1⤊ 0⤋