题干

设NA为阿伏伽德罗常数的值.下列说法正确的是(   )

A:0.2 mol Al与足量NaOH溶液反应,生成的H2体积为6.72L

B:常温下pH=1的盐酸溶液中的H+离子数目为0.1NA

C:铅蓄电池中,当正极增加9.6g时,电路中通过的电子数目为0.3NA

D:11P4+60CuSO4+96H2O═20Cu3P+24H3PO4+60H2SO4反应中,6 mol CuSO4能氧化白磷的分子数为1.1NA

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C

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    Although the best way to save money can vary from person to person, depending on age, family size and other characteristics, there are still some easy things that all shoppers can do to keep more money in their bank accounts.

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    ____

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    If you're only going to use something once, try to borrow it instead of spending your money on it. Borrow a tool from your neighbor.____ Check out the resources at your local library. You'll also be reducing disorder in your home.

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