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duongbonkey
2 năm trước
từ 48,6 tấn xenlulozo người ta sx dc m tấn xenlulozo trinitrat (hiệu suất phản ứng tính theo xenlolozo là 90%). Giá trị m là _________________________ thủy phân m gam saccarozo trong môi trường axit vs Hiệu suát = 90% thu dc sp chứa 10,8 gam glucozo. Giá trj m là
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