[發錢] 理化簡答
有一錐形瓶內裝有以下物質:
●X mL,0.2M的氯化氫溶液
●10mL酚酞
以裝有0.1M氫氧化鈉的滴定管進行酸鹼中和滴定,
達成滴定終點時,
恰好用去40mL的氫氧化鈉
試問:
1. 達成滴定終點時,錐形瓶中溶液顏色為?
2. X的值為多少?
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