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a.) compare the masses of potassium hydrogen phthalate (204.22g/mol), potassium hydrogen iodate (389.91g/mol) and benzoic acid (122.12g/mol) needed for a 30mL standardization of .04M NaOH
b.) What would be the relative standard deviation in the molarity of the base if the standard deviation in the measurement of mass in a.) is .002g and this uncertainty limits the precision of calculation?
Air contains nitrogen, oxygen, argon, and trace gases. if the partial pressure of nitrogen is 587 mm Hg, Oxygen is 158 mm Hg, argon is 7 mm Hg, and trace gas pressure is negligible, what is the atmospheric pressure?
Estimate how many barrels of fluid this tank could hold. Clearly state any assumption you must make to determine this and explain how you arrived at your assumption
How can one draw a best fit straight line on a temperature versus time graph to determine the temperature at which two phases (solid plus melting point) appear
If 1020C of charge is passed through a solution of AgNO3(aq), calculate the number of moles of silver deposited.
alkaline earth metal hydroxide to be used as a strong base or good source of hydroxide ion in aqueous solution for practical operation, which one would you use? Please explain why.
Find the volume of a gas inside a cylinder - What will be the resulting volume of this gas?
1) The standard potential of the cell Ag(s)|AgCl(s)\\Cl-(aq)||Ag (aq)|Ag(s) is 0.58 V at 25 °C. Calculate the equilibrium constant for the cell reaction.
What is the pH of a 0.175-M potassium formate solution, KHCOO? The ionization of formic acid is 2.1 x 10^-4
A 2.30 L sample of neon at 5.35 atm is added to a 10.0 L cylinder that contains argon. If the pressure in the cylinder is 7.00 atm after the neon is added, what was the original pressure (in atm) of argon in the cylinder?
Calculate the pH of a buffer made from mixing 10.0 mL of 0.100M NaC2H3O2 and 10.0 mL of 0.100M Hc2H3O2. a) Calculate the pH of the buffer when 5.00 mL of a 0.0100M HaOH is added.
Determine the temperature change is caused by heat energy and using a beaker that contains 100 mL of H 2 O thermally insulated from its surroundings, one mol of solid CaCl 2 is mixed and solution is stirred
In an airplane, a gas sample occurs at a volume of 1.5 L at 760.0 torr. Suppose, while flying, the airplane loses pressure and the volume of the gas increases to 11.40 L.
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