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What is the mole fraction of solute and the molal concentration for an aqueous solution that is 12.0% NaOH by mass?
what volume of vinegar would be needed to react with 18.00 grams of baking soda? Assume the density of vinegar is the same as that of water.
Which reagent would be best for achieving an E2 elimination of 3-chloropentane? a. C2H5OH b. CH3CO2Na c. NaHCO3 d. NaI
The enthalpy change at 25C and 1 atm for the complete burning of 1 mol of acetone in oxygen to give CO2(g) and H2O(l) is -1791kJ. Calculate the standard enthalpy of formation of acetone.
having a block of wood is either pine or oak with dry weight 19.8 lbs and can displace a volume of 2.7 gallons of
what volume of acetylene at 25 degree c and 1.01 atm is generated by the complete reaction of 2.49 g of calcium
What is the molarity of a solution prepared by dissolving 72.0 g of HCI in enough water to make 500 ml of solution.
Instructions are given to administer 65 mg of a diuretic over 2 hours by IV. If the 500mL bag contains 300mg what flow fate (ml per ohur) would be used?
he most probable mechanism of reactivity for solvolysis of benzyl chloride is a) Sn1 b) Sn2 c) E1 d) E2. The most probable mechansim of reactvity for solvolysis of 2-chloro-norborane
Given 7.95g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100 %yield
What is the specific heat of lead if it takes 97.5J to raise the temperature of a 75.0g block by 10.1 degress celcius?
closed container and the mixture is ignited the reaction products are CO2 and H2O. If 61.6 g of CO2 are actually produced in the reaction , what is the percent yeild of CO2?
For each of these three possible indicators, give an example of an analyte and a titrant which best suits its use. changes color when the solution is slightly acidic (methyl red-HCl and ammonia?)
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