tunghoangvan26 tunghoangvan26

22-12-2022
Chemistry

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Để đốt cháy hết 0,31 gam Photpho cần 0,4 gam khí oxi , sau phản ứng thu dc Điphotpho pentaoxit
a. Viết phương trình hóa học của phản ứng xảy ra
b. Cho biết tỉ lệ số nguyên tử, số phân tử của 2 cặp chất trong phản ứng, tùy chọn
c. Tính khối lượng của Điphotpho pentaoxit thu được

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