問題詳情
4.取2.0克硝酸鉀加入5.0毫升蒸餾水(當作5.0克蒸餾水)，若於25℃時完全溶解，則在此溫度時，100克水中溶有硝酸鉀___________克。
參考答案
答案：B
難度：簡單0.882591
統計：A(2),B(436),C(17),D(18),E(0)
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