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Question Number 131412 by mohammad17 last updated on 04/Feb/21

Commented by mohammad17 last updated on 04/Feb/21

$$bowcansolvethis$$

Answered by physicstutes last updated on 04/Feb/21

$$\mathrm{mass}\mathrm{of}\mathrm{medicine}\mathrm{before}\mathrm{putting}\mathrm{into}\mathrm{blood}\mathrm{stream}=1.0\times {10}^{-2}\mathrm{g}$$$$\mathrm{Volume}\mathrm{of}\mathrm{blood}=4.8\mathrm{L}$$$$\mathrm{but}\mathrm{mass}\mathrm{concerntration}=\frac{\mathrm{mass}}{\mathrm{litres}}=\frac{1.0\times {10}^{-2}\mathrm{g}}{4.8\mathrm{L}}=0.002{\mathrm{gL}}^{-1}$$$$\Rightarrow \mathrm{concertration}\mathrm{after}0.02\mathrm{disappear}=\frac{2}{100}\times 0.002=4\times {10}^{-5}{\mathrm{gL}}^{-1}$$

Commented by mohammad17 last updated on 04/Feb/21

$$thankyousircanyouhelpme$$

Commented by mohammad17 last updated on 04/Feb/21

$$Q/131415$$

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