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alex.chen7:molar mass of NaCl: 23g +35.5g = 58.5gmoles of Na+: 1053.5g / 58.5g = 18mol[Na+] = 18mol / 5L = 3.6M求你的計算姿勢O.O,而且2斤鹽加到5L水,要不要算體積變化? (2015-07-01 10:19)
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jl0107001:不好意思,是5L溶液,大神,你会算吗 (2015-06-24 10:51)