Chemistry, 27.09.2021 19:40 bellagvjh1760

nguyên tử khối trung bình của Bo là 10,81. Bo gồm 2 đồng vị 10B và 11B. Hỏi có bao nhiêu nguyên tử của đồng vị 11B có trong 12,362 gam axit boric H3BO3 ? Biết nguyên tử khối trung bình của H là 1, của O là 16

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nguyên tử khối trung bình của Bo là 10,81. Bo gồm 2 đồng vị 10B và 11B. Hỏi có bao nhiêu nguyên tử c...

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