Problem: When HNO2 is dissolved in water it partially dissociates according to the equation HNO2 ⇌ H+ + NO2-. A solution is prepared that contains 3.000 g of HNO2 in 1.000 kg of water. Its freezing point is found to be -0.1281°C Calculate the fraction of HNO2 that has dissociated. Express your answer using two significant figures. 

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When HNO2 is dissolved in water it partially dissociates according to the equation HNO2 ⇌ H+ + NO2-. A solution is prepared that contains 3.000 g of HNO2 in 1.000 kg of water. Its freezing point is found to be -0.1281°C 

Calculate the fraction of HNO2 that has dissociated. Express your answer using two significant figures. 

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