1mol苹果酸分别和足量纳和碳酸氢钠反应,放出气体的物质的量之比为 A.3:4 B.3:2 物质的量相等的碳酸钠和碳酸氢钠分别于足量盐酸反应，放出的二氧...
\u5316\u5b66\u95ee\u9898\u6025\u6c42\u89e31molA\u5206\u522b\u4e0e\u8db3\u91cf\u91d1\u5c5eNa,Na2CO3,NaHCO3\u5b8c\u5168\u53cd\u5e94\uff0c\u751f\u6210\u7684\u6c14\u4f53\u5728\u6807\u51c6\u72b6\u51b5\u4e0b\u7684\u4f53\u79ef\u4e4b\u6bd4\u4e3a\uff1f\u3000\u3000\u4f53\u79ef\u6bd4\u5c31\u662f\u7269\u8d28\u7684\u91cf\u4e4b\u6bd4\u3002
\u3000\u3000\u4e0e\u94a0\u53cd\u5e94\u7684\u6709\u7fa7\u57fa\uff0c\u7f9f\u57fa\u53cd\u5e94\u751f\u6210\u6c22\u6c14\uff0c1mol\u7f9f\u57fa\u751f\u62100.5mol\u6c22\u6c14\uff0c1mol\u7fa7\u57fa\u4ea7\u751f0.5mol\u6c22\u6c14\uff0c\u6240\u4ee5\u603b\u5171\u662f1mol\u6c22\u6c14\u3002
\u3000\u3000\u4e0e\u78b3\u9178\u94a0\u53cd\u5e94\u7684\u5c31\u662f\u7fa7\u57fa\uff0c\u751f\u6210\u4e8c\u6c27\u5316\u78b3\uff0c1mol\u7fa7\u57fa\u751f\u6210\u4e8c\u6c27\u5316\u78b30.5mol\uff0c\u6240\u4ee5\u6c14\u4f53\u662f0.5mol
\u3000\u3000\u4e0e\u78b3\u9178\u6c22\u94a0\u53cd\u5e94\u662f\u7fa7\u57fa\uff0c\u4ea7\u751f\u4e8c\u6c27\u5316\u78b3\uff0c1mol\u7fa7\u57fa1mol\u4e8c\u6c27\u5316\u78b3\u3002
\u3000\u3000\u6240\u4ee5\u6c14\u4f53\u4f53\u79ef\u6bd4\u662f 1:0.5 \uff1a1=2:1:2
\u53cd\u5e94\u4e3a\uff1aNaHCO3+HCl=NaCl+CO2\u2191+H2O
Na2CO3+2HCl+2NaCl+CO2\u2191+H2O
\u7531\u8fd9\u4e24\u4e2a\u53cd\u5e94\u53ef\u4ee5\u770b\uff1a\u5f53\u78b3\u9178\u94a0\u548c\u78b3\u9178\u6c22\u94a0\u7684\u7269\u8d28\u7684\u91cf\u76f8\u7b49\u65f6\uff0c\u751f\u6210\u7684\u4e8c\u6c27\u5316\u78b3\u4e5f\u76f8\u7b49\uff0c\u6240\u4ee5\u662f1:1
苹果酸
消耗Na为3mol（含2个羧基含有1个羟基）
消耗碳酸氢钠2mol（2个羧基）
所以是3:2
选B
绛旓細鑻规灉閰 娑堣桸a涓3mol锛堝惈2涓晶鍩哄惈鏈1涓緹鍩猴級娑堣楃⒊閰告阿閽2mol锛2涓晶鍩猴級鎵浠ユ槸3:2 閫塀
绛旓細锛1锛夊垎瀛愪腑C銆丠璐ㄩ噺鍒嗘暟鍒嗗埆涓簑锛圕锛=35.82%锛寃锛圚锛=4.48%锛屽垯O鐨勮川閲忓垎鏁颁负1-35.82%-4.48%=59.7%锛1mol璇閰镐笌瓒抽噺鐨凬aHCO3鍙嶅簲鏀惧嚭鏍囧喌涓44.8L CO2锛屼簩姘у寲纰崇殑鐗╄川鐨勯噺涓猴細44.8L22.4L/mol=2mol锛岃鏄庡垎瀛愪腑鍚湁2涓-COOH锛涗笌瓒抽噺鐨凬a鍙嶅簲鏀惧嚭33.6L H2锛岀墿璐ㄧ殑閲忎负锛33.6...
绛旓細鍒嗗瓙涓瑿銆丠璐ㄩ噺鍒嗘暟鍒嗗埆涓簑锛圕锛=35.82%锛寃锛圚锛=4.48%锛屽垯O鐨勮川閲忓垎鏁颁负1-35.82%-4.48%=59.7%锛1mol璇閰镐笌瓒抽噺鐨凬aHCO3鍙嶅簲鏀惧嚭44.8L CO2锛岃鏄庡垎瀛愪腑鍚湁2涓-COOH锛屼笌瓒抽噺鐨凬a鍙嶅簲鏀惧嚭33.6L H2锛屼负1.5mol锛岃鏄庡垎瀛愪腑鍚湁3涓-OH锛堝寘鎷-COOH锛夊垯鑷冲皯鍚湁3涓狾鍘熷瓙锛屽鍚湁5涓...
绛旓細锛3锛夊洜-COOH銆-OH鍧囪兘涓嶯a鍙嶅簲鐢熸垚姘㈡皵锛屽垯1mol鑻规灉閰镐笌瓒抽噺鐨勯噾灞為挔鍙嶅簲鐢熸垚姘㈡皵涓1mol脳1.5脳22.4L/mol=33.6L锛涘彧鏈-COOH涓庡皬鑻忔墦鍙嶅簲鐢熸垚浜屾哀鍖栫⒊锛屽垯1mol鑻规灉閰镐笌瓒抽噺鐨勫皬鑻忔墦鍙嶅簲2mol浜屾哀鍖栫⒊锛屽叾浣撶Н涓2mol脳22.4L/mol=44.8L锛屾晠绛旀涓猴細33.6锛44.8锛涳紙4锛夊纰鍘熷瓙杩涜鏍囧彿锛屽...
绛旓細鏄繖涓惂锛1mol鑻规灉閰鍚湁2mol-COOH鍜1mol-OH锛屼笌瓒抽噺閲戝睘Na鍙 搴 锛岀敓鎴1.2molH2
绛旓細1mol鑻规灉閰鏈3mol姘㈠師瀛愶紙涓ol閱嬮吀鏍瑰拰1mo缇熷熀锛夊弬涓庡弽搴旓紝鐢熸垚1.5mol姘㈡皵 閫夐」C閿欎簡
绛旓細1mol鑻规灉閰镐笌瓒抽噺na鍙嶅簲鑳戒骇鐢熸爣鍐典笅鐨勬阿姘 33.6l 鑻规灉閰稿彲鑳藉彂鐢熺殑鍙嶅簲鏄 abcd a 涓巒aoh婧舵恫鍙嶅簲 b:涓庣煶钑婅瘯娑蹭綔鐢 c锛氫笌涔欓吀鍦ㄤ竴瀹氭潯浠朵笅閰寲 d锛氫笌涔欓唶鍦ㄤ竴瀹氭潯浠朵笅閰寲 鑻规灉閰哥殑鍒嗗瓙寮忔槸 c4h6o5 鑻规灉閰镐腑鍚湁鐨勫畼鑳藉洟鐨勫悕绉版槸 缇у熀銆佺緹鍩 ...
绛旓細鑻规灉閰鍗2-缇熷熀涓佷簩閰革紝浜х敓1.5molH2銆
绛旓細閭ｆ棦鍙互鍜岀晶鍩哄弽搴斾篃鍙互鍜岀緹鍩哄弽搴
绛旓細鍒嗗瓙涓惈鏈夌殑瀹樿兘鍥㈠悕绉版槸缇у熀鍜岀緹鍩恒傦紙2锛夎嫻鏋滈吀涓惈鏈2涓晶鍩恒1涓緹鍩猴紝鍥犳1mol鑻规灉閰娑堣3mol閲戝睘閽狅紝鐢熸垚1.5mol姘㈡皵锛屽弽搴旂殑鍖栧鏂圭▼寮忎负2HOOCCH(OH)CH 2 COOH锛6Na鈫2NaOOCCH(OH)CH 2 COONa锛3H 2 鈫戙傦紙3锛夎嫻鏋滈吀涓惈鏈夌緹鍩猴紝鑳藉拰涔欓吀鍙戠敓閰寲鍙嶅簲鐢熸垚閰被锛屽弽搴旂殑鍖栧鏂圭▼寮忎负HOOCCH...
