Chemistry
Senior High
小数第一位まで求める問題なのですが、なぜこの答えは63.5になるのですか、、?
計算の仕方を教えて下さい🙏🙇
(2) 銅の原子量
69.2
=62.9×
30.8
+64.9×
100
合林 81
63.516年63.5
100
Answers
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