题目

— _________ —It's 3307-0602．You can call me in the evening． A．What's your name?                      B．Do you have a telephone? C．What's your phone number?               D．Where is my phone? 答案：C硝酸钾在60℃时的溶解度是100g，这说明在    ℃时，    g硝酸钾溶解在    g水中恰好形成饱和溶液．