Răspuns:
Acid fosforic = H3PO4
Dioxid de carbon = CO2
masa molara H3PO4= 3 + 4*16+ 31 = 98g/mol
masa molara CO2= 12+ 2*16=44g/mol
1 mol = 6.022*10^23 molecule=98g
o molecula H3PO4= 98/(6,022*10^23) grame
o molecula CO2= 44/(6,022*10^23)
