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Chemistry
Senior High
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求解

(B)CsHYO (C) CHCHO (D) C4H3COOH。 14. *水試樣經分析,知含0.04M鈣離子、0.04M酸式碳酸根與0.02M硫酸根。如欲軟化L此 硬水,應加入氫氧化鈣和碳酸鈉各若干mol? (A)0.02,0.02 (B)0.02,0.01 (C)0.04 0.02 (D)0.04,0.04。 , 5.市面上購買的離子交換淨水器裝有陽離子交換劑,飽和後,以濃食鹽水沖洗,至少耗用 234 古食隔才能再生利用,此淨水哭最多可吸收多少草耳鈣離子?(原子量:Na=23,Cl=
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