How many atoms are in ½ a mole of Calcium?

0 ⤊

2007-04-04 09:06:56 · 3 answers · asked by Keshia M 1 in Science & Mathematics ➔ Chemistry

(6.022 x 10^23)(1/2)

One mol is 6.022 * 10^23 of something. In the case of chemistry, it's that many atoms or molecules.

2007-04-04 09:10:17 · answer #1 · answered by Brian L 7 · 0⤊ 0⤋

3.01 * 10^23

That's half of Avagadro's number.

I would recommend you memorize Avagadro's number.

2007-04-04 09:12:28 · answer #2 · answered by tlbs101 7 · 0⤊ 0⤋

3.01 * 10^23

2007-04-04 09:10:50 · answer #3 · answered by Anonymous · 0⤊ 0⤋