本课配套习题挑战模式1/5
单选题
难度系数:
1.实验室中配制250mL0.50mol•L-1的H2SO4溶液时,无须使用到的仪器是
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5LuO5a6e6aqM5q2l6aqk5p2l5LiA5LiA5YiG5p6Q77ya6YeP5Y+W44CB5rq26Kej44CB56e75ray44CB5a6a5a6544CC
- 答案:RA==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.实验中需0.5mol•L-1的NaOH溶液240mL,配制时应选用容量瓶的规格和称取NaOH的质量分别是
A: 240mL,4.8g |
B: 250mL,5.0g |
C: 500mL,10.0g |
D: 任意规格,4.8g |
一次做对,真牛!
+5奖励规则>
- 提示1:5a6e6aqM5a6k5Lit5bm25rKh5pyJMjQwbUznmoTlrrnph4/nk7bvvIzlm6DmraTpnIDopoHpgInnlKjkuI7lroPnm7jov5Hlj4jotrPlpJ/ph4/nmoTop4TmoLzjgII=
- 答案:Qg==
6YCJ55SoMjUwbUzlrrnph4/nk7bvvIzlubbkuJTmjInnhafmurbmtrIyNTBtTOadpeiuoeeul+a6tui0qOeahOi0qOmHj++8mm09MC4yNUzDlzAuNW1vbCYjODIyNjtMPHN1cD4tMTwvc3VwPsOXNDBnwrdtb2w8c3VwPi0xPC9zdXA+PTVn44CC6YCJ5oupQumhueOAgg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.欲配制100ml1.0mol/LNaOH溶液,正确的方法是( )
①将4.0gNaOH溶于100ml水中
②将4.0gNaOH溶于少量水中,再用水稀释至100ml
③将20ml5.0mol/LNaOH溶液用水稀释至100ml.
①将4.0gNaOH溶于100ml水中
②将4.0gNaOH溶于少量水中,再用水稀释至100ml
③将20ml5.0mol/LNaOH溶液用水稀释至100ml.
A: ①② |
B: ②③ |
C: ①③ |
D: ①②③ |
一次做对,真牛!
+5奖励规则>
- 提示1:5rOo5oSP5rq25ray55qE6LSo6YeP5bm25LiN5piv5rq25YmC55qE6LSo6YeP44CC
- 答案:Qg==
4pGg5bCGNC4wZ05hT0jmurbkuo4xMDBtbOawtOS4re+8jOaJgOW+l+a6tua2sueahOS9k+enr+S4jeaYrzEwMG1M77yM5pWF4pGg6ZSZ6K+v77ybPGJyPuKRoeWwhjQuMGdOYU9I5rq25LqO5bCR6YeP5rC05Lit77yM5YaN55So5rC056iA6YeK6IezMTAwbWzvvIzmiYDlvpfmurbmtrLnmoTmtZPluqbkuLoxLjBtb2wvTO+8jOaVheKRoeato+ehru+8mzxicj7ikaLlsIYyMG1sNS4wbW9sL0xOYU9I5rq25ray55So5rC056iA6YeK6IezMTAwbWzvvIzmurbmtrLnqIDph4rov4fnqIvkuK3murbotKjnmoTnianotKjnmoTph4/kuI3lj5jvvIznqIDph4rlkI7nmoTmurbmtrLmtZPluqbkuLoxLjBtb2wvTO+8jOaVheKRouato+ehru+8mzxicj7mlYXpgIlC77yO
本课配套习题挑战模式4/5
单选题
难度系数:
4.配制1mol•L-1H2SO4溶液250mL,下列仪器中,不需要的是
①托盘天平②量筒③容量瓶④烧杯⑤玻璃棒⑥酒精灯⑦胶头滴管.
①托盘天平②量筒③容量瓶④烧杯⑤玻璃棒⑥酒精灯⑦胶头滴管.
A: 只有① |
B: 只有①⑥ |
C: 只有⑦ |
D: 只有④⑤ |
一次做对,真牛!
+5奖励规则>
- 提示1:5LuO5a6e6aqM5q2l6aqk5p2l5LiA5LiA5YiG5p6Q77ya6YeP5Y+W44CB5rq26Kej44CB56e75ray44CB5a6a5a6544CC
- 答案:Qg==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.实验室里需要480mL0.1mol/L的硫酸铜溶液,现选取500mL容量瓶进行配制,以下操作正确的是 [胆矾(CuSO4•5H2O)].
A: 称取7.68g硫酸铜,加入500mL水 |
B: 称取12.0g胆矾配成500mL溶液 |
C: 称取8.0g硫酸铜,加入500mL水 |
D: 称取12.5g胆矾配成500mL溶液 |
一次做对,真牛!
+5奖励规则>
- 提示1:6aaW5YWI56Gu5a6a5bqU6YCJ5oupNTAwbUzlrrnph4/nk7bvvIzlubbkuJTmjInnhafmurbmtrLkvZPnp6/kuLo1MDBtTOadpeiuoeeul+a6tui0qOeahOi0qOmHj+OAgg==
- 提示2:6Iul56ew5Y+W56Gr6YW46ZOc5p2l6YWN5Yi25rq25ray77yM5LiO5oiR5Lus54af5oKJ55qE6K6h566X5bm25peg5beu5byC44CC5L2G6Iul5Y+W55So6IOG55++5p2l6YWN5Yi25bCx6ZyA6KaB5rOo5oSP77yM6L+Z6YeM55qE5rq26LSo5Y+q5piv56Gr6YW46ZOc77yM6ICM566X56ew5Y+W6LSo6YeP55qE5pe25YCZ5Y206ZyA6KaB5Yqg5LiK57uT5pm25rC055qE6LSo6YeP44CC
- 答案:RA==
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