Predict the charge on the predominant species of the peptide e-d-k-r-a-s-t at ph 5.0?

1. they vary with a higher number because boiling is way hotter than melting

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i  

fe 55.85 g/mol and h2o 18.02 g/mol.