Respuesta :

Answer:

The molarity is 0,4M

Explanation:

The molartity is moles of compound (in this case KCl) in 1 liter of solution :

2 L----------0,8 moles KCl

1 L-----------x= (1L x0,8 moles KCl)/2L= 0,4 moles KCl--> 0,4M