They are an example of colloids .....
Mass percent= grams solute/ grams of solution x 100
Mass Percent= (50/ 150)x100= 33.3%
Granite is stronger, and it doesn't grow mold in the rain. It also looks better than marble and is easier to carve.
Most transition metal form more than one cation but aluminum forms the Al3+ cation only.
It’s +21 (c) if i answered late my apologies
