Question

La masa de 1 mol de sulfato de aluminio (A12 (SO4)3 es: (masas atómicas:
Al= 27 g/mol; S =32 g/mol; 0 = 16 g/mol)

a) 342 g/mol
b) 150 g/mol
c) 219 g/mol
d) 603 g/mol​

Answer 1

2(27)+3[1(32)+4(16)]=54+3(32+64)=54+3(96)=54+288=342 g/mol