Asked by Alice
2.5g of magnesium is how many moles?
How do i set it up? Help would be awesome thanks.
How do i set it up? Help would be awesome thanks.
Answers
Answered by
DrBob222
mols = grams/atomic mass
Answered by
Chris
From the periodic table, you get the atomic mass of Mg, which is 24.31. Atomic mass is grams/mole, by dimensional analysis:
(2.5g)/(24.31g/mol)=0.1028 moles of Magnesium as the grams units cancel out.
*This answer does not have proper significant figures.
(2.5g)/(24.31g/mol)=0.1028 moles of Magnesium as the grams units cancel out.
*This answer does not have proper significant figures.
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