Part NO.:JC97-02441A/JC90-00932A/JC66-01168A/022N02413/N02345/N02292;Product Name:Cassette Pickup Roller;Model:ML3050/51/3470/71/SCX5330/5530/Ph3420/25/28;Feature:Good quality;Pretest:Yes. Strictly QC test;Inventory:Sufficient / Available .;Packing:Yello
在25℃时,有pH=a的盐酸与pH=b的NaOH溶液,取VaL该盐酸同该NaOH溶液恰好反应,需VbLNaOH溶液若a+b>15时,则Va/Vb= (填表达式). 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 举报 恰好完全反应是Va×10^-a=Vb×1×10^-14÷10^-b 推出Va/Vb=1×10^a+b-14 解析看不懂?免费查看同类题...