Na podstawie podanego fragmentu FP XI, wyznacz ilość etanolu 96% (v/v) wymaganą do przygotowania leku zgodnie z receptą. <table><tr><td><table><tr><th>% (v/v)</th><th>% (m/m)</th><th>ρ20 (kg/m3)</th><th>% (v/v)</th><th>% (m/m)</th><th>ρ20 (kg/m3)</th></tr><tr><td>31,7</td><td>26,06</td><td>960,05</td><td>96,0</td><td>93,84</td><td>807,42</td></tr><tr><td>31,8</td><td>26,15</td><td>959,92</td><td>97,7</td><td>96,36</td><td>800,24</td></tr><tr><td>80,0</td><td>73,48</td><td>859,27</td><td>97,8</td><td>96,51</td><td>799,80</td></tr></table>Rp.Tannini                      5,0Acidi salicylici             1,0Ethanoli 80% (v/v)    ad    50,0M.f.sol.D.S. zewnętrznie</td></tr></table>

• A38,07 g
• B33,50 g
• C39,15 g
• D34,45 g