Sort the sentences based on whether they describe the properties of a heterogeneous or a homogenous mixture.
Its components
are visible.
It may be mistaken for
a pure substance.
It can be separated
using distillation.
Concrete is an example
of this kind of mixture.

One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 × 1023 atoms 6 × 1023 atoms 66 atoms 65 atoms

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph