下表是硝酸钾和氯化钾在不同温度时的溶解度，请回答下列问题。                                                                                                                                                                                       

温度℃		20	30	40	50	60
溶解度/g	硝酸钾	31.6	45.8	63.8	85.5	110
	氯化钾	34.0	37.0	40.0	42.6	45.5