Answer:
Think of it this way If you have a phosphorus atom whats its oposites once you found that out you may be able to find the answer
Explanation:
Hope this helps :)
Use the formula triangle for quantitive chemistry
Answer:
I believe Si12H26+02 is the coefficient I might be wrong, Sorry if I am.
it is most likely a beaker, beacuse 300ml is quite a large volume. Otherwise, it would be a measuring cylinder or pippette