Răspuns:
Explicație:
probabil vrei masele molare !!!!!!
M SO3= 32 + 3.16= 80-------> 80g/moli
MH2SO4= 2 +32 + 4.16=98------> 98g/moli
MCaSO4=40 + 32 + 4.16=136------> 136g/moli
MAl(OH)3= 27 + 3.16 + 3= 78-----> 78g/moli
MCa3(PO4)2 = 3.40 + 2.31 + 8.16=310------> 310g/moli
MNa2SO4=2.23 + 32 + 4.16=142------> 142g/moli