Why is the mass of of 1 mole of a gold atom 0.20 kg

[From: ] [author: ] [Date: 13-05-20] [Hit: ]

I don't understand? That's what it says in the textbook
isn't it 197 grams which is 0.197 kg?

To two sig digs the answer would be 0.20
0.197 would be rounded to 0.20

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