Question

The pH of an aqueous solution of Ba(OH)2 is 10. If Ksp of Ba(OH)2 is 1x10^{-9},then the concentration of Ba+2 ions in the solution in mol/L is


() 110−2(a) 1x10^−2

() 110−4(b) 1x10^−4

() 110−1(c) 1x10^−1

() 110−5(d) 1x10^−5
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Answer 1

Answer:

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Answer 2

Answer:

the correct option is

c) 1×10^-1