确定下面数值有效数字的位数 (1)20.30% (2)lgKθ=5.310 (3)pOH=5.20 (4)40000 (5)0.01030 (6)8.310×105
确定下面数值有效数字的位数 (1)20.30% (2)lgKθ=5.310 (3)pOH=5.20 (4)40000 (5)0.01030 (6)8.310×105
1
确定下面数值有效数字的位数 (1)20.30% (2)lgKθ=5.310 (3)pOH=5.20 (4)40000 (5)0.01030 (6)8.310×105