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vu02072007
2 năm trước
amino axit X có dạng H2NRCOOH .Cho 0,1 mol X phản ứng hết với dd HCL dư thu dc dd chứa 11,15gam muối.Tên gọi của X là ________________________ CHo 3,75 gam ∝ amino axit X tác dụng vừa hết vs dd NaOH thu dc 4,85 gam muối.Tìm CT X __________________________________________ ∝ - amino axit có dạng H2NRCOOH cho 15 gam X tác dụng vừa đủ vs dd NaOH ,co cạn dd sau phản ứng thu dc 19,4 gam muối khan .Tìm CTX
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