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Calculate the grams of potassium iodate, KIO3 (FM 214.00) required to react with 25.0mL of a 0.0700M solution of sodium thiosulfate, Na2S2O3 according to the reaction below
2IO3- + 10S2O3 + 12H+ going to I2+5S4O6 +6H2O
the Fischer esterification experiment why was the majority of the ethanol boiled off prior to extraction and why was the reaction vial cooled
Derive the fractional compositions for monoprotic and diprotic systems showing the steps as clear as possible including a brief description of a fraction compostion plot.
calculate the amount of sodium nitrate in mg in one liter if 3.8mg of nitrate was detected in one liter of water.
How much heat energy, in kilojoules, is required to convert 58.0 g of ice at -18.0 *C to water at 25.0 *C ?
A hot-air balloon has a volume of 875 L. What is the original temperature of the balloon if its volume changes to 955 L when heated to 56 degrees celcius
While shutdown, the core accidentally went critical and the reactor pressure vessel rose in temperature and was hot for two hours, but all instrumentation has failed and no one is sure what the temperature was.
What is the overall order of the reaction?
Calculate the mass of silver chloride required to plate 235 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% .
A solution is made by dissolving 25g of NaCl in enough water to make 1.00 L of solution. Assume that the density of the solution is 1.00 g/cm3. Calculate the mass percent, molarity, molality, and mole fraction of NaCl
Give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while the boiling point differences are not large?
what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)
What should the molar concentrations of benzoic acid and sodium benzoate be in a solution that is buffered at a pH of 4.55 and has a freezing point of -2.0 °C.
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