the mass of silica needed to produce one- 325mg of aspirin tablet. the formulae

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the balanced equation for the reaction is: C7H6O3 + C4H6O3 --> C9H8O4 + C2H4O2 we want to get 100 tablets of 325 mg aspirin: 100 tablets * 352 mg/tablet = 32500 mg OR 32.5 g convert g to mol using molar mass of aspirin (180 g/mol): 32.5 g * mol/180 g = 0.181 mol from the balanced equation, we know that aspirin and salicylic acid are in a 1:1 mole ratio (both have a coefficient of 1). so 0.181 moles of aspirin are produced from 0.181 moles of salicylic acid. convert mol to g using molar mass of salicylic acid (138 g/mol): 0.181 mol * 138 g/mol = 24.92 g

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