Gerry Lim's answer to LockB's Junior College 1 H2 Maths Singapore question.
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From periodic table, mass of 1 mol of magnesium is 24.305g. So when they ask avg mass of 1 atom, ypu have to divide by the number of atoms in 1 mol. So 25.305/(6.02x10^23) to get avg mass of 1 atom.
Date Posted:
2 years ago
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