there are 6 moles of oxygen in Zn(No3)2
Answer:
Boiling is 212* Freezing is 32*
Explanation:
It simple facts
I think the correct answer from the choices listed above is option A. The three components of air are all <span>classified as pure substances since they are not chemically bonded so they can be separated by certain processes and be present as a pure substance. Hope this answers the question.</span>