15ml浓盐酸配成200ml溶液,加多少毫升3mol/L氢氧化钠,才能使PH=3?
问题描述:
15ml浓盐酸配成200ml溶液,加多少毫升3mol/L氢氧化钠,才能使PH=3?
答
(0.015x12-0.2x0.001)/3=0.05993L=59.93mL
15ml浓盐酸配成200ml溶液,加多少毫升3mol/L氢氧化钠,才能使PH=3?
(0.015x12-0.2x0.001)/3=0.05993L=59.93mL