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There are 18mg of iron in a vitamin tablet. If there are 100 tablets in a bottle, how many moles of iron are?

2007-11-10 12:25:24 · 1 answers · asked by adamarys c 1 in Science & Mathematics ➔ Chemistry

1 answers

Atomic weight: Fe=56

Let bottle be called btl. Let tablet be called tab.

1btl x 100tab/1btl x 18mgFe/1tab x 1gFe/1000mgFe x 1molFe/56gFe = 0.0321 mole Fe to three significant figures

2007-11-10 13:04:01 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋

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