Question

calcule as massas molares das substâncias (a) H3 Po4, (b) C3 H6 O , (c) C2 H4 O2

Answer 1

Olá!!!

a) MM(H3PO4) = 3•1+31+4•16 = 98u.

b) MM(C3H6O) = 3•12+6•1+16 = 58u.

c) MM(C2H4O2) = 2•12+4•1+2•16 = 60u.