AIEEE 2009 Solved Paper

Section: Chemistry

Question : 6 of 89

Marks: +1, -0

Solid Ba(NO3)2 is gradually dissolved in a 1.0×10−4MNa2CO3 solution. At what concentration of Ba2+ will a precipitate begin to form ?
(K sp‌ for ‌BaCO3=5.1×10−9)

[AIEEE 2009]

5.1×10−5M
8.1×10−8M
8.1×10−7M
4.1×10−5M

Validate

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