Table 1b.
Groups II
| Sample No. | Wt. Sol | Bromide | Cone Br |
|---|---|---|---|
| Concentration of bromide ion in NaBr79 solution | |||
| g | meq. | meq. Br/g Sol | |
| A | 7.77112 | 2. 810027 | 0.361599 |
| B | 7.88535 | 2.851350 | .361601 |
| C | 7.32444 | 2.648832 | .361643 |
| D | 7. 73096 | 2.795487 | .361596 |
| Mean | a. 361610 | ||
| Concentration of bromide ion in NaBr81 solution | |||
| A | 7. 78525 | 2.74700 | 0. 352847 |
| C | 7. 78655 | 2.67682 | . 352838 |
| D | 7. 09924 | 2. 50502 | . 352857 |
| E | 7.47154 | 2.63715 | . 352959 |
| Mean | a. 352875 | ||
a
The standard error of the mean is estimated to be 0.000024 meq/g sol. based on seven groups of data including the sets shown here.