what is the mass of 4 mol Al?

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what is the mass of 4 mol Al?

2006-12-11 13:03:27 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

3 answers

oh, thats easy..
to get from moles to grams you multiply the # of moles given by the molar mass of that element.
molar mass of Al= 26.982
# of moles given = 4
26.982 X 4
=107.928 grams of Al

2006-12-11 13:10:17 · answer #1 · answered by Nisreen G 1 · 0⤊ 0⤋

The molar mass of Aluminum is 26.98 g/mol, so the mass of 4 mol of Al = 4 x 26.98 = 107.92 g

2006-12-11 21:07:25 · answer #2 · answered by afortunado 2 · 0⤊ 0⤋

4molAl x 27gAl/1molAl = (4)(27) gAl

The molAl cancel to yield gAl. The 27 is the atomic weight of aluminum.

2006-12-11 21:07:59 · answer #3 · answered by steve_geo1 7 · 0⤊ 0⤋