Please upload documentation of your methods/work or Matlab c…

Please upload documentation of your methods/work or Matlab code here in PDF file format. Points are awarded here are based on readability, reproducibility, and efficiency. Accuracy of your code is evaluated in question prompts above. If you have more than one file/file type, we’d appreciate if you combined them in to one but an additional file upload box is included below if necessary. 

Phosphorus has an atomic number of 15 and a mass number of 3…

Phosphorus has an atomic number of 15 and a mass number of 31. Hydrogen has an atomic and mass number of 1. Oxygen has an atomic number of 8 and a mass number of 16. Sodium has an atomic number of 11 and a mass number of 23. What is the molecular weight  (Na2HPO4)?