〔题目〕在标况下进行甲、乙、丙三组实验 ,各取 30ｍＬ同浓度的盐酸溶液 ,加入不同质量的同一种镁铝合金粉末 ,产生气体 ,有关数据记录如下 :实验序号甲乙丙合金质量 (ｇ) 0 .2 5 5 0 .385 0 .45 9生成气体 (ｍＬ) 2 80 336 336　　试回答 :(1 )甲组实验中盐酸 ,乙组实验中盐 [Subject] Under the standard conditions, three groups A, B, and C experiments, each taking 30mL of the same concentration of hydrochloric acid solution, add the same quality of magnesium aluminum alloy powder, produce gas, the relevant data are recorded as follows: Experiment No. Mass (g) 0 .2 5 5 0 .385 0 .45 9 Generated gas (mL) 2 80 336 336 Test answer: (1) Salt in the group A experiment, hydrochloric acid, group B