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（12分）实验室用固体烧碱配制500mL0.1mol/L的NaOH溶液。 （1）需称量 g烧碱固体。固体应放在 中称量。 （2）配制过程中，不需要使用的仪器是 （填写代号） A．烧杯 B．玻璃棒 C．1000mL容量瓶 D．漏斗E．胶头滴管F．药匙 （3）根据实验的实际需要和（2）中列出的仪器判断，完成实验还缺少的仪器是 。 （4）在容量瓶内确定溶液体积的过程中，后期加入少量水的做法是 。 （5）要想中和浓度为0.2mol/L体积为10.0mL的盐酸，需要上述配制的NaOH溶液 mL。
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