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Find the solubility of the given substance:
 
1. The solubility of sodium nitrate at \(50°C\) and \(30°C\) is \(145 g\) and \(96 g\) respectively. Find the amount of salt that will be thrown out when a saturated solution of sodium nitrate containing \(50 g\) of water is cooled from \(50°C\) to \(30°C\)?
\(g\).