题目

往含0.1mol硫酸铝的硫酸铝溶液中滴加4mol/L的氢氧化钠溶液澄清，若要使溶液最终澄清，至少需要氢氧化钠溶液体积（    ）A．50mL       B．150mL       C．200mL     D．100mL  答案：C解析: --- ______ car is it???? --- It’s her car.A. Who????????????? ????????????? ????????????? B. Who’s????????????? ????????????? ????????????? C. Whose????????????? ????????????? ????????????? ????????????? D. What