Calculate the %T of a solution that is measured in a 3.08 cm cell and has a molar absorptivity of 126 M–1cm–1, given that the solution is 0.02 %(w/v). The compound has a molecular weight of 795.63 g/mol. Give your answer to 2 decimal places.
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Calculate the %T of a solution that is measured in a 3.08 cm cell and has a molar absorptivity of 126 M–1cm–1, given that the solution is 0.02 %(w/v). The compound has a molecular weight of 795.63 g/mol.
Give your answer to 2 decimal places.
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- Mass solute needed to prepare 0.500L of 0.2 M NaCO3 from a solid NaCO3 with a purity of 92.0wt%The solubility of suberic acid C6H12(COOH)2 is 0.14 g/100 ml H2O and 0.56g/100 ml ethyl ether at 15 0C. Calculate the weight of suberic acid removed from 50 ml aqueous solution containing 40 mg acid by extraction with 50 ml ether. Calculate the weight of acid that would be removed by two successive 25 ml extraction with ether.If 500 mL of a 15% (v/v) solution of methylsalicylate in alcohol is diluted to 1500 mL, what will be the percentage strength (v/v)? a 50% b 60% c 6% d 5% e 10%
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