133.0873 g/mol
(NH4)3PO3 - molar mass
Explanation:
2FeS + 7/2O2 ---> Fe2O3 + 2SO2
Filtration is useful for separating sediments that are carried in water for easy drinking without the risk of disease - an example of this is a water purifier
The sun provides energy through nuclear fusion by fusing the atoms of hydrogen and helium in the suns core, so the answer is D