多少鹽可以影響水的沸點?
bonus-除慢慢試之外有冇其他方法?(答到的話開多個話題10分比你)
請盡量用英文作答.
how much salt could be able to change the boiling point?
How to carry out experiment.(either one of trying one by one)
多少鹽可以影響水的沸點
2009-10-13 1:20 am
回答 (2)
2009-10-19 8:18 pm
The atomic weight of Na is 23 & that of Cl is 35 . If 58 gm of salt are added to a litre of water , & the sodium chloride is completely ionized , the elevated 1.04 degree C . The mole of sodium will elevate it 0.52 degree & chloride is for 0.52 degree .
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