Chemistry question: What is the mass, in grams, of a sample of 6.12 × 1024 atoms of manganese (Mn)?
6.12x10^24 atoms x 1 mol/6.02x10^23 atoms = 10.166 rounded to 10.2
10.2 mol x 54.9380g/1 mol = 558.505 = 559g
I was just wondering if I rounded to high to get the right amount of sig figs? Is my answer correct or should I change it?

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i think your right i just did the problem and came up with the same answer ;D

the first one or the second one?

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