序号

1

2

3

${\text{V}}_{\left({\text{Na}}_2{\text{SO}}_3\right)}$ /ml

50.00

50.00

50.00

V_(HCHO)/ml

10.00

10.00

10.00

$\Delta {\text{V}}_{\left({\text{H}}_2{\text{SO}}_4\right)}$ /ml

14.63

14.55

14.42

C_(HCHO)/(mg/l)

0.8954

0.8905

0.8826

C_平均(HCHO)/(mg/l)

0.8895