calculate the number of molecules in 16 g O2 and 288g of Cl2?

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Calculate the number of atoms in 23g of Na and 10g of Au

2007-03-11 19:32:27 · 2 answers · asked by Silver L 1 in Science & Mathematics ➔ Chemistry

Find out how many moles each quantity of the substance is; each mole represents Avogadro's number of atoms.

2007-03-11 19:41:41 · answer #1 · answered by gp4rts 7 · 0⤊ 0⤋

First responder is correct. Use the atomic weights from the periodic table to get the molecular weights. Avogadro's number is 6.023E23.

2007-03-12 02:50:01 · answer #2 · answered by Anonymous · 0⤊ 0⤋