Nho APhong giai dum

<span class='text_page_counter'>(1)</span>Bai 1: cho m gam bot Fe vao dung dich hon hop chua 0.16 mol Cu(NO3)2 va 0.4 mol HCl, lac deu cho phan ung xay ra hoan toan. Sau phan ung thu duoc hon hop kim loai co khoi luong 0,7m gam va V(l) khi o dktc, tim m va V Bai 2: A chua ( C, H, N, O) co 46.67% N va MA< 100. Dot 1.8 gam A can 1,008 lit O2 o dktc. San pham chay gom N2, CO2, hoi nuoc, trong do ti le the tich CO2:the tich nuoc= 1:2. Khi cho 1,8 gam A vao H20 du thu duoc dd B. cho H2SO4 vao dd B roi dan het khi vao binh dd KOH du. sau thi nghiem thay khoi luong chat tan trong binh KOH luc sau tang m gam. tim m Bai 3: Dun nong hh 3 ruoi X, Y, Z voi H2SO4 dac o 170 do C thu duoc hh gon 2 olefin la dong dang ke tiep. Lay 2 trong so 3 ruoi tren dun voi H2SO4 dac o 140 do C thu duoc hh gom 3 ete. Mat khac lam bay hoi 1,32 g hh gom 3 ete nay thu duoc the tich dung bang the tich cua 0,48 gam oxi ( do cung dk). Neu dot het toan bo 1,32 gam hh 3 ete tren roi cho toan bo CO2 sinh ra vao 250 ml dd Ba(OH)2 nong do x M thu duoc 9.85 gam tua, gia tri x Bai 4: hon hop A gom 0,13 mol C2H2 va 0,18 mol H2. Cho A qua Ni nung nong phan ung xay ra khong hoan toan, thu duoc hh khi B. Cho B qua binh dung 200ml dung dich Br2 1M, thay co hon hop khi X gom 0,06 mol C2H6 va 0,02 mol H2 thoat ra. tinh nong do dd Br2 luc sau. Bai 5: tripeptit M va tetrapeptit Q deu duoc tao ra tu mot amino axit X mach ho, phan tu co 1 nhom -NH2. Phan tram khoi luong N trong X la 18,667%. Thuy phan khong hoan toan m gam hon hop M, Q( ti le mol la 1:1) trong moi truong axit thu duoc 0,945 gam M; 4,62 gam dipeptit va 3,6 gam X. tim m Bai 6: dot chay hoan toan 9,3 gam hon hop X gom 2 este don chuc tao boi cung 1 axit cacboxilic va 2 ancol la dong dang ke tiep thu duoc 0,45 mol CO2, va 0,35mol H2O. Vay phan tram khoi luong cua este co phan tu khoi lon hon trong X la bao nhieu ? Bai 7: nung 26,8 gam hh A gom 2 muoi cacbonat cua 2 kl ke tiep trong phan nhom IIA thu dc hon hop ran B. Dan khi thoat ra vao binh dung Ca(OH)2 du thay co m gam ket tua. Cho ran B phan ung het voi dung dich H2SO4; thay co 4,48 lit khi dktc thoat ra. Co can dung dich thu duoc 37,6 gam ran. Tim m Bai 8: Thuy phan este A bag dung dich NaOH, thu duoc muoi B va chat huu co D. Cho B phan ung voi dung dich AgNO3/NH3 thu duoc Ag va dd X. dung dich X vua tac dung dc voi NaOH va H2SO4 deu sinh khi vo vo. Biet D co cong thuc (CH2O)n va thoa so do: D + H2(Ni, nhiet do)  E + HCl  F (CH2Cl)n Khi dot 0,1 mol A thay can V lit O2 dktc. Tim V..

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