Respuesta :

SvetkaChem

Answer:

20 g

Explanation:

M(NaOH) = 23 + 16 + 1 = 40 g/mol

500 mL = 0.5 L solution

1.0 M = 1.0 mol/L NaOH

1.0 mol/L * 0.5 L = 0.5 mol NaOH

0.5 mol * 40 g/ 1 mol = 20 g