Question

How many grams of barium hydroxide are required to dissolve in 156 g of water to make a 0.247 m solution?

Molar mass of Ba(OH)2: 171.346

Answer 1

6.60

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Moles of Barium hydroxide = 0.156dm³ * (0.247mol/dm³) = 0.0385mol.

Mass of Barium hydroxide = 0.0385mol * (171.346g/mol) = 6.60g.