As little as 10g of aspirin in a singie dose has been found to be lethal .An ord

Question

As little as 10g of aspirin in a   singie dose has been found to be lethal .An ordinary aspirin tablet contains 5 grains   of aspirin ; the rest being   binder and filler .One grain equals 0.0648g   .How many aspirin tablet   would constitute such a fatal dose?
If a ferric chloride  solution was   added to a pure aspirin,would you expect a red-violet color to appear? Explain you answer including structural formula.                                                              As little as 10g of aspirin in a   singie dose has been found to be lethal .An ordinary aspirin tablet contains 5 grains   of aspirin ; the rest being   binder and filler .One grain equals 0.0648g   .How many aspirin tablet   would constitute such a fatal dose?
If a ferric chloride  solution was   added to a pure aspirin,would you expect a red-violet color to appear? Explain you answer including structural formula.                                                             

Explanation / Answer

An ordinary aspirin tablet contains 5 grains   of aspirin ; the rest being   binder and filler .One grain equals 0.0648g . so 5 grains contains = 5*0.0648 g                                 = 0.324 g now we know that 1 tablet of aspirin contains 5 grains of aspirin =0.324 g so 0.324 g = 1 tablet 10 gm = (1/0.324)*10           = 30.86tablets            ~= 30 tablets 30 aspirin tablet   would constitute such a fatal dose. If a ferric chloride   solution was   added to a pure aspirin,iwould expect a red-violet color to appear.

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