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Questions Asked on November 24, 2011

One of the stages of economic growth is capital intensive, where wealth is created through the effic... Asked on November 24, 2011 at 12:01 AM A storage tank used to hold sand is leaking. The sand forms a conical pile whose height is twice the... Asked on November 24, 2011 at 12:04 AM A 11.8 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change t... Asked on November 24, 2011 at 12:07 AM Monochloroacetic acid, HC2H2ClO2, is a skin irritant that is used in "chemical peels" intended to re... Asked on November 24, 2011 at 12:08 AM A 0.39 M solution of a weak acid is 3.0% dissociated. Calculate Ka. Asked on November 24, 2011 at 12:09 AM Trichloroacetic acid (CCl3CO2H) is a corrosive acid that is used to precipitate proteins. The pH of... Asked on November 24, 2011 at 12:10 AM What mass of KOH is necessary to prepare 799.2 mL of a solution having a pH = 11.65? Asked on November 24, 2011 at 12:10 AM Calculate the pH of a 0.053 M (C2H5)2NH solution (Kb = 1.3 10-3). Asked on November 24, 2011 at 12:11 AM In testing a new drug, researchers found that 1% of all patients using it will have a mild side effe... Asked on November 24, 2011 at 12:11 AM Calculate [CO32- ] in a 0.019 M solution of CO2 in water (H2CO3). If all the CO32- in this solution... Asked on November 24, 2011 at 12:11 AM

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