It’s #2 because I saw on edigunity 2020
Answer:

Explanation:
To do this, we find the moles of each element. We get around 0.155 moles of Fe, 0.051 moles of P, and 0.206 moles of O. We then divide each one by the smallest one (which is 0.051 moles of P). We then get 3 for Fe, 1 for P, and 4 for O. This correlates to the empirical formula of the compound.
A sodium cation is smaller than a sodium atom.
Hopefully this is right...
Answer:
Thymus. This gland makes white blood cells called T-lymphocytes that fight infection and are crucial as a child's immune system develops
Answer:
5 moles
Explanation:
From the coefficients of the equation, we know that for every 8 moles of nitric acid consumed, 4 moles of water are produced.
So, the answer is 9(4/8), which is 5 moles to 1 sf.