如何用5水和硫酸铜配制100毫升0.1摩尔每升硫酸铜溶液？ 如何用5水和硫酸铜配制100毫升1摩尔每升硫酸铜溶液？
\u5982\u4f55\u75285\u6c34\u548c\u786b\u9178\u94dc\u914d\u5236100\u6beb\u53471\u6469\u5c14\u6bcf\u5347\u786b\u9178\u94dc\u6eb6\u6db2\uff1f\u5e94\u8be5\u5f88\u7b80\u5355\u5427\uff0c\u5148\u8ba1\u7b97\u6240\u9700\u8981\u7684\u56fa\u4f53\u8d28\u91cf\uff0c\u52a0\u6c34\u6eb6\u89e3\u5747\u5300\u5373\u53ef\uff0c
1*0.1*\u4e94\u6c34\u786b\u9178\u94dc\u7684\u6469\u5c14\u8d28\u91cf\uff0c\u5c31\u662f\u79f0\u53d6\u7684\u8d28\u91cf\uff0c\u51c6\u786e\u79f0\u53d6\u5373\u53ef\uff0c\u5148\u5fd9\u5c11\u91cf\u6c34\u6eb6\u89e3\uff0c\u518d\u5b9a\u5bb9\u6613100\u6beb\u5347
100mL
1mol/L\u786b\u9178\u94dc\u6eb6\u6db2\u6240\u542b\u6eb6\u8d28\u7684\u7269\u8d28\u7684\u91cf\u4e3an(CuSO4)=cV=0.1\u00d71=0.1mol
\u5f97\u52300.1mol\u7684CuSO4\uff0c\u9700\u89810.1mol\u7684CuSO4.5H2O\uff0c
\u5373\u6240\u9700CuSO4.5H2O\u7684\u8d28\u91cf\u4e3am=nM=0.1\u00d7160=16g
\u65b9\u6cd5\uff1a\u53d6CuSO4.5H2O
16g\u5728\u9002\u91cf\u6c34\u4e2d\u6eb6\u89e3\uff0c\u7136\u540e\u8f6c\u79fb\u5230100mL\u5bb9\u91cf\u74f6\u4e2d\uff0c\u52a0\u5165\u9002\u91cf\u7684\u84b8\u998f\u6c34\u5b9a\u5bb9\uff0c\u5373\u53ef\u5f97\u5230100\u6beb\u53471\u6469\u5c14\u6bcf\u5347\u786b\u9178\u94dc\u6eb6\u6db2\u3002
0.1L*0.1mol/L*250g/mol
＝2.5g
2.称量
3.溶解
4.转移至100ml容量瓶中
5.洗涤
6.定容
7.摇匀
绛旓細鍦25鎽勬皬搴︽椂纭吀閾滅殑婧惰В搴︿负20.7鍏嬨傝100鍏嬫按鍦25搴︽椂鍙互婧惰В浜旀按纭吀閾x鍏嬶紝閭ｄ箞 (160x/250)/(100+x)=20.7/120.7 x=36.6鍏
绛旓細100g姘翠腑鍔犲叆m g 纭吀閾滃緱鍒伴ケ鍜屾憾娑诧紝鍒欓ケ鍜屾憾娑叉祿搴 = m/(100+m)鍔犲叆n g 浜旀按纭吀閾涔熷緱鍒伴ケ鍜屾憾娑诧紝鍒欓ケ鍜屾憾娑叉祿搴 = (n*160/250) / (100+n)渚濋鎰忥紝涓よ呭簲鐩哥瓑锛屽嵆m/(100+m)=(n*160/250) / (100+n)寰2500m + 9mn - 1600n = 0 ...
绛旓細2. 婧惰В:纭吀閾滀簲姘鍚堢墿鏄撴憾浜庢按,婧惰В搴﹁揪64g/100mL銆備竴鑸厤缃垚0.1~5%鐨勬憾娑蹭娇鐢ㄣ閰嶅埗纭吀閾婧舵恫鏃,鐩存帴閲忓彇閫傞噺鐨勭～閰搁摐浜旀按鍚堢墿,婧朵簬灏戦噺姘翠腑,鐒跺悗绋閲婅嚦闇瑕佺殑娴撳害銆3. 鍌ㄥ瓨:纭吀閾滄憾娑插簲缃簬闃村噳鍦版柟瀵嗗皝鍌ㄥ瓨銆傛祿纭吀閾滄憾娑 (>1%) 鍙繚瀛樺崐骞村乏鍙;绋閲婄殑婧舵恫搴斿敖蹇娇鐢ㄥ畬姣,閬垮厤鍥犲井鐢熺墿...
绛旓細婧舵恫璐ㄩ噺涓庢憾璐ㄨ川閲忓垎鏁扮殑涔樼Н鏄憾璐ㄧ殑璐ㄩ噺锛屽垯鏈100g脳8%=8g鍥犱负婧舵恫鐨勮川閲忕瓑浜庢憾璐ㄤ笌婧跺墏鐨勮川閲忎箣鍜岋紝鍒欐湁姘寸殑璐ㄩ噺=100g-8g=92g
绛旓細锛1锛夊疄楠屽娌℃湁90mL鐨勫閲忕摱锛屽簲璇ラ夌敤100mL瀹归噺鐡讹紝閰嶅埗100mL 0.10mol/L鐨勭～閰搁摐婧舵恫锛岄渶瑕佺～閰搁摐鐨勭墿璐ㄧ殑閲忎负锛歯锛CuSO4锛=0.10mol/L脳0.1L=0.01mol锛岄渶瑕浜旀按纭吀閾鐨勮川閲忎负锛歮锛圕uSO4?5H2O锛=250g/mol脳0.01mol=2.5g锛屾晠绛旀涓猴細2.5锛涳紙2锛夊疄楠屽娌℃湁90mL鐨勫閲忕摱锛屽簲璇ラ夌敤100...
绛旓細2g 2%鏄川閲忓垎鏁帮紝涓旀憾娑叉祿搴︿笉澶э紝婧舵恫瀵嗗害鎺ヨ繎1锛屽垯100ml婧舵恫100g锛屾晠纭吀閾涓100*0.02=2g 婧惰川鐨勯噸閲忥紜婧跺墏鐨勯噸閲忥紳婧舵恫鐨勯噸閲 婧惰川鐨勯噸閲徝锋憾娑茬殑閲嶉噺脳100%锛濇祿搴 婧舵恫鐨勯噸閲徝楁祿搴︼紳婧惰川鐨勯噸閲 婧惰川鐨勯噸閲徝锋祿搴︼紳婧舵恫鐨勯噸閲
绛旓細锛坢cuso4+100g锛/100ml=1.14g/ml mcuso4=14g
绛旓細鍔犲叆鐨勬按閲忕害涓20姣崌銆浣跨敤浜旀按纭吀閾滈厤鍒50姣崌0.1鎽╁皵/鍗囩殑婧舵恫鏃讹紝鎽╁皵娴撳害鍜屾憾娑蹭綋绉殑璁＄畻鍏紡锛屽緱鍑烘墍闇鐨勬按閲忎负20姣崌銆備簲姘寸～閰搁摐鐨勫垎瀛愰噺涓250鍏/鎽╁皵锛屼娇鐢ㄦ懇灏旀祿搴﹀拰婧舵恫浣撶Н鏉ヨ绠楁墍闇鐨勮川閲忓拰姘撮噺銆
绛旓細1L脳1.0mol/L=0.1mol锛屽垯锛1锛塵锛CuSO4锛=0.1mol脳160g/mol=16g锛岀瓟锛氶渶瑕佹棤姘寸～閰搁摐绮夋湯鐨勮川閲忔槸16g锛 锛2锛夋憾娑茬█閲婂墠鍚庢憾璐ㄧ殑鐗╄川鐨勯噺涓嶅彉锛岃闇瑕5.0mol/L CuSO4婧舵恫鐨勪綋绉负V锛屽垯鏈0.1L脳1.0mol/L=V脳5.0mol/L锛孷=0.02L锛屽嵆20ml锛岀瓟锛氳嫢鐢5.0mol/L CuSO4婧舵恫閰嶅埗锛...
绛旓細鍙25.00mL婧舵恫A锛屽姞鍏ョ洂閰搁吀鍖栫殑BaCl2婧舵恫鑷虫矇娣瀹屽叏锛岃繃婊ゃ佹礂娑わ紝骞茬嚗鑷虫亽閲嶏紝寰楀埌鐧借壊鍥轰綋0.699g锛庢牴鎹～閰告牴绂诲瓙瀹堟亽锛岀～閰告牴绂诲瓙鐨勭墿璐ㄧ殑閲鍜岀～閰閽＄殑鐗╄川鐨勯噺鏄浉绛夌殑锛屽嵆涓猴細0.699g233g/mol=0.003mol锛岄噺鍙25mL婧舵恫A锛岀敤閫傞噺鐨刏n锛屽皢Fe3+......
