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[求助] 无机中的计算题

1.已知室温下邻硝基苯甲酸的电离常数约为10∧(-3)数级,则邻硝基苯甲酸钾的加和质子常数约为()
2.NaHCO3是调节人体酸碱平衡的药物,药用的NaHCO3需要灭菌,消毒,常用的灭菌方法是在373K时向NaHCO3通入1atm潮湿的二氧化碳,已知可逆反应NaHCO3(s)?Na2CO3(s)+H2O(g)+CO2(g)373K时的K=0.23atm2。则灭菌时,1atm潮湿的CO2中H2O(g)含量范围(以百分率表示)是__________

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