Question

1. explain why the solution was heated.
2. list two reasons why the calculated percentages were different from the actual percentages of the sand - salt mixture. (two sources of error)
3. the filtrate is the solution that passes through the filter. what was the filtrate in this lab?
4. identify the solute and solvent in the filtrate.
5. what type of mixture separation was used to:

a. separate the sand from the salt:

Explanation:

For question 5, the filtrate is the solution after filtering out sand, which contains dissolved salt in water. The solute is the dissolved substance, and the solvent is the dissolving medium. For question 6a, separating an insoluble solid (sand) from a liquid solution (salt water) typically uses filtration.

Answer:

1. Solute: salt; Solvent: water

6a. Filtration