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Clearnote
Q&A
Junior High
English
(1)(2)がよくわからないです😰🤔❓
English
Junior High
over 8 yearsago
ゲスト
(1)(2)がよくわからないです😰🤔❓
Answers
お つ 。
over 8 yearsago
(1)イ
(2)12.3g
銅12gのときに化合した酸素の量は0.3gなので足して12.3gになります。
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