设NA为阿伏加德罗常数，则下列说法正确的是（）_刷题宝

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设N_A为阿伏加德罗常数，则下列说法正确的是（）

A：22.4 L乙烯中含有的分子数为N_A

B：0.1 L 0.1 mol／L的CH₃COOH溶液中含有的分子数为0.01 N_a

C：含0.1 mol H₂O₂的水溶液跟MnO₂充分作用，反应过程中转移的电子总数0.1N_a

D：1 mol HCl气体中的粒子数与0.5 mol/L盐酸中溶质粒子数相等

上一题下一题 0.0难度选择题更新时间:2017-11-24 11:29:24

答案(点此获取答案解析）

C

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如图，矩形ABCD中，AB=1，AD=2，M是AD的中点，点P在矩形的边上，从点A出发，沿A→B→C→D运动，到达点D运动终止．设△APM的面积为y，点P经过的路程为x，那么能正确表示y与x之间函数关系的图象是（）

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阅读理解

Turn left at the second crossing if you drive along Center Street north to south. If you come by bus, you can get off(下车) at the B. Street Bus Station. You can't miss it!

Please come to the black door. Our party will be on the farm behind the house. Put your gifts into the small tent on the grass(草地). Remember : This is a surprise party, so do not let him know anything about it by the party.

We will have a buffet lunch(自助餐) and later all kinds of interesting games for everybody!

Music Show at 4 P.M.

Bring your guitars, violins, drums and anything that makes sound！

Please let me know by July 4^th if you can make it.

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若N_A表示阿伏加德罗常数的值，下列说法正确的是 (　　)

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联系是客观的，要求我们一切以时间、地点和条件为转移。

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