1. 5.00 g LiCl/ 95.0 g water

2. 100 g solution/ 5.00 g LiCl

3. 5.00 g LiCl/ 95.0 g solution

4. 95.0 g water/ 5.00 g LiCl

5. 95.0 g water/ 100 g solution

I have no idea, please tell me your reasoning! Thanks so much!

1. 5.00 g LiCl/ 95.0 g water

2. 100 g solution/ 5.00 g LiCl

3. 5.00 g LiCl/ 95.0 g solution

4. 95.0 g water/ 5.00 g LiCl

5. 95.0 g water/ 100 g solution

I have no idea, please tell me your reasoning! Thanks so much!

Tutors, please sign in to answer this question.

It appears to me all you need to focus on is that if the solution is 100 g this will be 5% LiCl, or 5.00 g LiCl, and 95% water, or 95.0 g water.

In summary, in a 100 g 5% aqueous solution of LiCl:

(i) solution, 100 g.

(ii) LiCl, 5.00 g.

(iii) water, 95.0 g.

Taking any one of these divided by another will yield a unit factor.

All but (3) are contructed correctly. The "95.0 g solution" is the problem.

Hope this helps.

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