Calculate the pH of 250. mL of a 0.0205 M barium hydroxide solution at 25 °C.
- Apr 21
- 1 min read
Calculate the pH of 250. mL of a 0.0205 M barium hydroxide solution at 25 °C.
Solution:
Barium hydroxide, Ba(OH)2 is a strong base because it consists of a group 2 metal and OH.
[OH-]=2*0.0205 M = 0.041 pOH=-log[OH-]= -log( 0.041)= 1.387
pH=14-pOH=12.613
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