Willow trees (Salix species) are a well-known historical source of an active compound used to develop modern pain relief medication.
Name the active pain-relieving drug traditionally extracted from willow bark.
Table 1 shows information about the mass of this compound found in a healthy willow tree.
Table 1
| Part of willow tree | Mass of active compound in 100 g of plant tissue (g) |
|---|---|
| Bark | 2.8 |
| Leaves | 0.9 |
| Twigs | 1.4 |
A willow tree growing in drought conditions is stressed, limiting its synthesis of this compound. The mass of the compound found in the bark of this stressed tree is only 45% of the mass shown in Table 1.
Calculate the mass of the active compound in 150 g of this stressed bark. Give your answer in mg.