Question

Calcule a massa molecular dos compostos abaixo: (Massas atômicas dos elementos desse exercício: H=1; O=16; Na=23; Ca=40; B= 11; Cl= 35; P= 31; Al= 27; S=32)

a) H2O

b) NaOH

c) Ca(OH)2

d) BCl3

e) H3PO4

f) Al2(SO4)3

Answer 1

Resposta:

a) 18 g/mol

b)39,997 g/mol

c)74,093 g/mol

d)117,17 g/mol

e)97,994 g/mol

f)342,15 g/mol