percent_mass.Rd
Calculates the percentage mass of an element (or compound) in a compound
percent_mass(compound, element)
the chemical formula of the full compound
the chemical formula of the element or compound of interest
the percentage mass of the element or compound of interest
percent_mass("H2O", "O") ## returns 88.79
#> [1] "The percentage mass of O in H2O is: 88.819 %"
#> [1] 88.819
percent_mass("H2O", "H") ## returns 11.19
#> [1] "The percentage mass of H in H2O is: 5.59 %"
#> [1] 5.59
percent_mass("NaOH", "OH") ## returns 42.52
#> [1] "The percentage mass of OH in NaOH is: 42.519 %"
#> [1] 42.519