• 2022-06-10
    滴定管的体积校正:25℃时由滴定管中放出20.01mL水,称其质量为20.01g,已知25℃时1mL的水质量为0.99617g,则此滴定管此处的体积校正值为()
    A: +0.04mL
    B: -0.04mL
    C: +0.08mL
    D: -0.08mL