Part $1$ mixture separation:

A solid residue remained in the filter paper after filtration with warm ethanol.

A solid residue remained in the evaporation dish after all ethanol evaporated.

Part $2$ mixture separation:

No residue remained in the filter paper after filtration with hot water.

Solid residue remained in the evaporation dish after all the water evaporated.

Post$-$Lab questions:

$1.$ Part $1$ mixture:

a$.$ Identify the possible solid$($s$)$ left behind in the filter paper after filtration with ethanol. Explain

briefly.

b$.$ Identify the possible solid$($s$)$ left behind in the evaporation dish after all ethanol evaporated.

Explain briefly.

$2.$ Part $2$ mixture:

a$.$ Identify the possible solid$($s$)$ left behind in the evaporation dish after all water evaporated.

Explain briefly,

$3.$ Identify all components in the original unknown mixture:

Enter all responses in the appropriate places and submit page $2$ on Canvas as a PDF file by

the deadline. Do not forget to enter your name at the top of the page.