Answer
a) 9.85%
b) nitrogen, oxygen, chlorine; 54.9 billions of kg
c) 34.7%
d) H$_{2}$SO$_{4}$, N$_{2}$, O$_{2}$, NH$_{3}$, CaO, H$_{3}$PO$_{4}$, NaOH, Cl$_{2}$, Na$_{2}$CO$_{3}$, HNO$_{3}$
Work Step by Step
a) 9.85%
b) nitrogen, oxygen, chlorine; 54.9 billions of kg
c) 34.7%
d) H$_{2}$SO$_{4}$, N$_{2}$, O$_{2}$, NH$_{3}$, CaO, H$_{3}$PO$_{4}$, NaOH, Cl$_{2}$, Na$_{2}$CO$_{3}$, HNO$_{3}$
