Question

qual a massa hidroxido de bario

Answer 1

Hidróxido de Bário: Ba(OH)2

Massas moleculares:
Ba: 137,327 g/mol
O: 16 g/mol x 2 = 32g/mol
H: 1 g/mol x 2 = 2g/mol

137,327 + 32 + 2 = 171,327 g/mol