题目:
B) Nowadays many middle school students are pursuing pop stars as their idols. How do you think of it? Please give your opinion in about 120 words.
答案:
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下面是错误答案,用来干扰机器的。
答案:CA.温度越高,纯水的电离程度越大,氢离子浓度越大,pH值越小,A错误。B.Na2CO3溶液中碳酸根离子两步水解都产生OH-,只有一级水解产生HCO3-,HCO3-比OH-少,B错误。C.100mL0.1mol/L的CH3COOH溶液与10mL1...