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Chemistry, 22.07.2021 06:10 laurenrubin18

Cho hỗn hợp X gồm các peptit mạch hở, đều được tạo thành từ các amino axit có dạng H2NCnHmCOOH. Đun nóng 4,63 gam X với dung dịch KOH dư, thu được dung dịch chứa 8,19 gam muối. Nếu đốt cháy hoàn toàn 4,63 gam X cần 4,2 lít O2 (đktc). Dẫn toàn bộ sản phẩm cháy (CO2, H2O, N2) vào dung dịch Ba(OH)2 dư, sau phản ứng thu được m gam kết tủa và khối lượng dung dịch giảm 21,87 gam. Giá trị của m gần nhất với giá trị nào sau đây?

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Cho hỗn hợp X gồm các peptit mạch hở, đều được tạo thành từ các amino axit có dạng H2NCnHmCOOH. Đun...

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