How many grams of nicotine (C10H14N2)contain 73.0 g N?

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How many grams of nicotine (C10H14N2)contain 73.0 g N?

i dont have a clue where to start...

2006-09-11 06:25:01 · 2 answers · asked by No Know 4 in Science & Mathematics ➔ Chemistry

2 answers

Add up the formula weight of nicotine; it's 10 * 12 for the C, 14 for the H, 2 * 14 for the N. That should be 162. Now, for every 162 grams of nicotine, there are 28 grams of N.

162 / 28 = ? / 73
? = 422 g

2006-09-11 06:43:25 · answer #1 · answered by Mr. E 5 · 1⤊ 0⤋

73 g N is equal to 2.607 moles. (73/28) Calculate the weight of 2.607 moles of nicotine.

2006-09-11 15:58:59 · answer #2 · answered by Anonymous · 0⤊ 0⤋