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Problem- A student titrated a solution of formic acid with sodium hydroxide. The student plotted pH versys volume (mL) of NaOH added and found the titration required 26.66mL of NaOH to reach equivalence point. Describe how you would use the students titration curve to determine the K(a) value for formic acid.
Rework your solution from the beginning and check each step carefully.
Which of the following can be the product of a neutralization reaction?
A sample of xenon gas collected at a pressure of 189 mm Hg and a temperature of 290 K has a mass of 110 grams. The volume of the sample is
I understand the rules for significant figures with multiplication/division, and adding/subtracting. But I am unsure of what to do when there is both multiplication and/or division, and adding and/or subtracting in the same question?
When 7 mL of a solution containing 3 M KNO3 is diluted to 21mL, a dilute solution is formed. What is the NO3- concentration in 10mL of the dilute solution?
Write the corresponding ionic and net ionic equations after Balancing these given equations
The reaction 2NOCl(g) → 2NO(g) + Cl2 (g) has an activation energy of 100.0 kJ/mol and a rate constant at 400.0 K of 8.5 x 10-6 mol-1 L s-1. Determine the rate constant at 450 K.
What volume of 0.25 M HNO3 (aq) reacts with 4.8 ml of 0.150 M Na2CO3 (aq) when the two solutions are mixed?please show work step by step.
the energy carried away by one mole of potassium is 295KJmol^-1. What is the wavelength of a single photon? What is the color of this light emitted
a block of aluminum with the volume of 96.5 g absorbs 65.3 J of heat. If the initial temperature is 31.2 degrees celcius, what is the final temperature.
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium. Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC.
A 18.0 L gas cylinder is filled with 6.00 moles of gas. The tank is stored at degrees celsius. What is the pressure in the tank
What is the maximum number of phases that can be in mutual equilibrium in a two-component system
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