Equilibrium Question 742

Question: The pH of Ba (OH)2 solution is 13. The number millimoles of Ba (OH)2 present in 10 ml of solution would be

Options:

A) 1.00

B) 0.50

C) 10.00

D) 15.00

Show Answer

Answer:

Correct Answer: B

Solution:

[OH−]=0.1 and conc. Of Ba(OH)2=0.12

∴ The no. of millimoles of Ba(OH)2 present in 10 ml solution =0.12×10×10−3×103=0.5

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