\(50 cm ^{3}\) of a saturated solution of \(KNO _{3}\) at \(40^{\circ} C\) contained \(5.05 g\) of the salt. What is the solubility of \(KNO _{3}\) at \(40^{\circ} C [ K =39, N =14, O =16]\)

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\(50 cm ^{3}\) of a saturated solution of \(KNO _{3}\) at \(40^{\circ} C\) contained ...

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A \(1.0 moldm ^{-3}\)
B \(1.5 moldm { }^{-3}\)
C \(2.0 moldm ^{-3}\)
D \(5.0 moldm\)

Correct Answer: Option A

Explanation:

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