concentration calculation
2008-03-05 6:33 am
What is the % of a NaCl solution if it's a 2M NaCl solution? And how do you calculate it?
回答 (2)
2008-03-05 7:09 am
✔ 最佳答案
Suppose that your question refers to % by mass, then:In 1 dm3 of 2 M NaCl solution:
No. of moles of NaCl = 2 with mass = 2 x 58.5 = 117 g
Mass of water = 1000 g
So % by mass of NaCl = 117/(117 + 1000) x 100% = 10.47%
參考: My chemical knowledge
2008-03-05 6:57 am
2M NaCl solution is absolubely a 100% NaCl solution
收錄日期: 2021-04-13 15:14:30
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