Answer:
1. start line drawn in ink
2. start line below solvent level
Explanation:
1. the line would run up the paper. should have drawn with pencil.
2. the samples would dissolve into solvent and not run up the paper.
0.167cm^3
density=mass/volume
potassium belongs to group IA of the periodic table.
is
because
X= -Y + 2/2 Y=-X + 3/2
I don't know how to simplify it anymore. You would get x=-y+3/2 and y=-x+3/2
