Yes, because it comes from a one thing and spreads throughout the entire space. Similar to dripping foot coloring into a glass of water, or spraying air freshener.
If this is just a general question it seems to vary from about 4.5g to 5g. Is there more data to the question?
Answer:
The amount/type of stain
Explanation:
You would want to ensure that the stain was the same in both samples.
C. Groups 13-16 contain metalloids.
If you look on a periodic table, these usually have a different color.
