Bài toán về cacbohidrat

1 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog 1 AgNO 3 /NH 3 Ag Ag Ag X brom X brom X (1) RCHO + Ag 2 O RCOOH + 2Ag (2) RCHO + Br 2 + H 2 O RCOOH + 2HBr Ag cacbohi®rat n 2 n 2 Br cacbohi®rat n 1 n VD1: 3 trong NH 3 • • và y = 0,18 (mol) cacbohi®rat Ag Ag cacbohi®rat n n 86, 4 2 n 2 (x+y) x y 0, 4 (mol) n 108  2 2 Br glucoz¬ Br glucoz¬ n 35,2 1 n n x 0, 22 (mol) n 160 1 2 0,18 100% 45 % 0, 4 1 2 2 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog phân hoàn toàn M + H 2 O 2G (1) S + H 2 O G + F (2) S + H 2 O 2G 1 A) 80 %. B) 60 %. C) 40 %. D) 20 %. 2 3 trong NH 3 A) 25 %. B) 50 %. C) 12,5 %. D) 75 %. 3 AgNO 3 trong NH 3 2 SO 4 3 trong NH 3 A) 0,01 mol. B) 7,5 10 mol. C) mol. D) mol. 4 3 trong NH 3 A) 21,60. B) 2,16. C) 4,32. D) 43,20. 3 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog 5 3 trong NH 3 , thu A) 6,480. B) 9,504. C) 8,208. D) 7,776. 6 3 trong NH 3 thì l A) 0,090 mol. B) 0,12 mol. C) 0,095 mol. D) 0,06 mol. 7 3 trong NH 3 A) 16 : 5. B) 4 : 1. C) 2 : 1. D) 1 : 4. 8 – 3 trong NH 3 gam Ag. – 3 trong NH 3 A) 12,96. B) 14,04. C) 6,48. D) 7,56. 3 trong NH 3 A) 87,5 %. B) 69,27 %. C) 62,5 %. D) 75,0 %. TOPPER. Chú ý 4 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog 2 – 6 H 10 O 5 ) n + nH 2 O nC 6 H 12 O 6 . – 6 H 12 O 6 2C 2 H 5 OH + 2CO 2 . VD2: 6 H 12 O 6 2C 2 H 5 OH + 2CO 2 . o H t lªn men lªn men 2 5 6 12 6 2 5 2 5 C H OH C H O h% C H OH C H OH 90 n 2n 0,9 (mol) 100 m m 41, 4 (gam) V 51,75 (ml) D  VD3: Ca(OH) 2 lên men là 100 %. Tính m. 6 H 12 O 6 2C 2 H 5 OH + 2CO 2 . (1) CO 2 + Ca(OH) 2 CaCO 3 + H 2 O. (2) 2CO 2 + Ca(OH) 2 Ca(HCO 3 ) 2 (3) Ca(HCO 3 ) 2 CaCO 3 + H 2 O + CO 2 (4) lªn men o t 2 3 2 3 2 3 CO (2) CaCO (2) CO (3) Ca(HCO ) CaCO (4) n n 5 (mol) n 2n 2n 2 (mol) 2 CO n 7 (mol) 6 12 6 2 6 12 6 C H O CO C H O 1 n n 3,5 (mol) m 630 (gam) 2 A 5 lít ancol etylic 46 o là A) 5400. B) 5000. C) 6000. D) 4500. . . 100 o V V TOPPER. Chú ý 5 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog B 2 Ca(OH) 2 A) 550. B) 810. C) 650. D) 750. C 2 sinh ra A) 20,0. B) 30,0. C) 13,5. D) 15,0. D 2 A) 486. B) 297. C) 405. D) 324. E CO 2 sinh ra trong quá trình này Ca(OH) 2 ình lên A) 60. B) 58. C) 30. D) 48. F ình lên men A) 90%. B) 10%. C) 80%. D) 20%. G A) 96,43 gam. B) 67,5 gam. C) 192,86 gam. D) 135,0 gam. 6 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog 3 3 2 SO 4 2 6 H 7 O 2 (OH) 3 ] + 3HNO 3 [C 6 H 7 O 2 (ONO 2 ) 3 ] + 3H 2 O. 2 4 o H SO t XT X m 297n 11 m 162n 6 VD4: 6 H 7 O 2 (OH) 3 ] + 3HNO 3 [C 6 H 7 O 2 (ONO 2 ) 3 ] 2 4 o H SO t XT X 11 m m 29,7 6 90 m 29, 7 26,73 100 H A) B) C) D) I A) 42 kg. B) 10 kg. C) 30 kg. D) 21 kg. J A) 42,34 lít. B) 42,86 lít. C) 34,29 lít. D) 53,57 lít. K A) 60. B) 24. C) 36. D) 40. 7 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog L A) 30. B) 10. C) 21. D) 42. M 3 3 A) 16,2 lít. B) 11 lít. C) 9,8 lít. D) 14 lít. N 3 3 A) 55 lít. B) 81 lít. C) 49 lít. D) 70 lít. O 3 A) 60. B) 84. C) 42. D) 30. 8 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog Câu 1 D 2 D 3 A 4 C 5 B 6 C 7 B 8 A 9 A A D B D C D Câu D C E D F A G A H A I D J D K D L C M D N D O B . 2CO 2 . (1) CO 2 + Ca(OH) 2 CaCO 3 + H 2 O. (2) 2CO 2 + Ca(OH) 2 Ca(HCO 3 ) 2 (3) Ca(HCO 3 ) 2 CaCO 3 + H 2 O + CO 2 (4) lªn men o t 2 3 2 3 2 3 CO (2) CaCO (2) CO (3) Ca(HCO ) CaCO. 1 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog 1 AgNO 3 /NH 3 Ag Ag Ag X brom X brom X (1) RCHO + Ag 2 O RCOOH + 2Ag (2) RCHO + Br 2 + H 2 O RCOOH + 2HBr Ag cacbohi®rat n 2 n 2 Br cacbohi®rat n 1 n VD1: 3 . . 100 o V V TOPPER. Chú ý 5 www.tuhoc.edu.vn htttp://tuhoc.edu.vn/blog B 2 Ca(OH) 2 A) 550. B) 810. C) 650. D) 750. C 2 sinh ra A) 20,0. B) 30,0. C) 13,5. D) 15,0. D 2 A) 486. B) 297. C) 405. D) 324. E CO 2