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【判断题】
用0.1mol/L NaOH溶液滴定100ml0. Imol/L 盐酸时,如果滴定误差在土o. 1%以内,反应完毕后,溶液的pH范围为4.3~9.7。
A.
正确
B.
错误
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【简答题】During the last few decades there has been a significant change in eating______ in the UK. Since the early 1980s eating out in restaurants and cafes has increased steadily. There are several reasons f...
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