Решите плиз) Ba-BaO-Ba(OH)2

Question

Решите плиз)
Ba-BaO-Ba(OH)2

Answer 1

2BA+02---2BAOBAO+H20----BA(OH)2BA(OH3)2+CACL----BACL2+CA(OH)2BACL2+H2SO4----BASO4+HCL