Which of the following is INCORRECT about what Madonna has t Which of the following is INCORRECT about what Madonna has to do to adopt a chil 分类:中医医师 题型:单选题 查看答案
将pH=3的硫酸溶液和pH=10的氢氧化钠溶液相混合,若要使混合溶液pH=7,则硫酸溶液和氢氧化钠溶液的体积比为____ 将pH=3的硫酸溶液和pH=10的氢氧化钠溶液相混合,若要使混合溶液pH=7,则硫酸溶液和氢氧化钠溶液的体积比为__________。 分类:中医医师 题型:单选题 查看答案