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Problem- A 10.00 ml sample of a standardized solution of 0.1035 M hydrochloric acid (HCl) was titrated with a solution of sodium hydroxide (NaOH). If the titration required 13.56 ml of the NaOH solution to reach equivalence point, calculate the molarity and percentage by mass of NaOH in the solution.
Express your answers to three significant figures separated by comma.
Explain what is the correct net ionic equation including all coefficients, charges, and phases for the following set of reactants? Presume that the contribution of protons from H2SO4 is near 100 %.
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 10^51. What is Kc for the following equilibrium?COCl2(g) + Cl2(g) CCl4(g) + ½O2(g)
Dissolve the crude product in the minimum amount of boiling solvent to keep the solution of the product at its saturation point and then allow to cool so pure crystals will form.
Among the following pairs of conjugate acid/base, which one is the best choice (with mole ratio nearest to 1) to make a buffer at pH 6.6. The Ka values for the following acids are
Estimate the temperature needed to achieve the fusion of deuterium to make an alpha particle. The energy required can be estimated from Coulomb's law
A particular first-order reaction has a rate constant of 1.35 x10^2 s^-1 at 25 degrees Celsius. What is the magnitude of k at 75.0 degress Celsius if Ea= 85.6 kJ/mol
a solution is prepared by adding 30.00 g of lactose milk sugar to 110.0 g of water at 55 degc. the partial pressure of
a 100-rm w lightbulb is placed in a cylinder equipped with a moveable piston. the lightbulb is turned on for
If a 1.000g sample of red phosphorus powder was burned in air and reacted with oxygen gas to give 2.291g of phosphorus oxide. Compute the empirical formula as well as molecular formula of phosphorus oxide give the molar mass is approximately 282g/..
Suppose 1-chlorobutane were halogenated with bromine atoms instead of chlorine atoms. What effect would that have on the relative yields of the four bromochlorobutanes compared to the dichlorobutanes you determined
a 9.36-g piece of platinum is heated to 98.6 degc in a boiling water bath and then dropped onto ice when the metals
A student adds 33.0045g of potassium acetate to water and then adds 7.0 ml of 1.0 M HCl to this . the resulting solution is diluted to 250.0 ml calculate the PH of the resulting solution.
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