pH=3的盐酸溶液与pH=11的氢氧化钠溶液等体积混合后,溶液的pH值是()。A.7 发布时间:2019-07-18 11:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: pH=3的盐酸溶液与pH=11的氢氧化钠溶液等体积混合后,溶液的pH值是()。A.7B.大于7C.小于7D.8
题型:单项选择题 —It's such a beautiful day. Why not have a picnic with us? —_____. But I have a lot of homework to do. [ ]A. Don't mention it B. It's up to youC. I have no time D. I'd love to 查看答案