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A 0.5236 gram sample of an unknown monoprotic acid was titrated with 9.94×10^-2 M NaOH . The equivalence point of the titration occurs at 23.72 mL. Determine the molar mass of the unknown acid.
The first-order rate constant for the decomposition of N2O5, 2N2O5 --> 4NO2 + O2 at 70 degrees C is 6.82 * 10 ^-3 . Suppose we start with 2.90×10?2 of in a volume of 1.7 L. A)
Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..
If 100 g of Mg reacts with excess HCl, what volume of hydrogen gas at 25 degrees C and 1.0 atm pressure will be produced. balanced equation
vitamin c l-ascorbic acid mw 176.0 gmol is a weak acid pka 4.863. suppose a 500.0 mg tablet is dissolved in water and
A mixture of CO2 and Kr weighs 35.0g and exerts a pressure of 0.708 atm in its container. Since Kr is expensive, you wish to recover it from the mixture. After the CO2 is completely removed by absorption with NaOH(s), the pressure in the container..
A mixture of NaCl and NaBr has a mass of 2.08g and is found to contain 0.78 of Na.What is the Mass of NaBr in the mixture.
The normal boiling point of bromine is 58.8°C. Given that the vapor pressure of methanol is 75.0 torr at 2.5°C, calculate the molar enthalpy of vaporization of bromine.
Discuss the typical features of a calomel electrode and a silver - silver chloride electrode. What are their standard half cell potentials?
calculate the theoretical mass of ca2 ion in one tablet in grams if there is 750 mg caco3 and 320mg calcium per tablet.
Draw a free body diagram of a container of water that you are holding, you walk with the container at a constant speed and then stop abruptly.
An underground reservoir contains natural gas at a pressure of 425 kPa and a temperature of 15 °C. If the volume of the reservoir is 1.3 x 104 kL
It was found that 19.31 mL of an HCl solution are needed to react completely with 322 mL of a LiOH solution that has a pH of 11.56. What is the molarity of the HCl solution?
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