H2SO4:
M(H) = 1g/mol
M(S) = 32g/mol
M(O) = 16g/mol
M(H2SO4) = 2M(H) + M(S) + 4M(O) = 2*1 + 32 + 4*16 = 98g/mol
Czyli 1 mol ma masę 98g
H3PO4:
M(H) = 1g/mol
M(P) = 31g/mol
M(O) = 16g/mol
M(H3PO4) = 3M(H) + M(P) + 4M(O) = 3*1 + 31 + 4*16 = 98g/mol
Czyli 1 mol ma masę 98g