首页
/
每日頭條
/
教育
/
如何稀釋溶液
如何稀釋溶液
更新时间:2025-03-16 15:12:29

  1、原理:稀釋前的溶質質量=稀釋後的溶質質量計算公式:濃溶液的質量×濃溶液的質量=稀溶液的質量×稀溶液的質量分數。

  2、例如:将1mol(約58.5克)的食鹽(溶質)溶在一升的水(溶劑)中,溶液的體積摩爾濃度為1M,若再加入一升的水,溶液的體積摩爾濃度變為0.5M,但溶液食鹽的總量仍為1mol。

Comments
Welcome to tft每日頭條 comments! Please keep conversations courteous and on-topic. To fosterproductive and respectful conversations, you may see comments from our Community Managers.
Sign up to post
Sort by
Show More Comments
Copyright 2023-2025 - www.tftnews.com All Rights Reserved