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If a solution of Na2CO3 has a pH of 10. The CO32- on is the conjugate base of the HCO3- ion. State the net ionic equation for the reaction which makes a solution of Na2CO3 basic.
A substance has an extinction coefficient of 5 x 10^5 L cm^-1 mol^-1. A concentrated solution of this substance has an absorbance too high to measure. You dilute 1 ml of this solution to 25 ml with distilled water; the measured absorbance is 0.2.
A 10.0 mL sample of aqueous H2SO4 requires 24.32 mL of 0.134 M NaOH to reach the endpoint. What is the molar concentration of H2SO4. First write the equation for the reaction.
what is the energy difference between the heats of formation you calculated for carbocation A and B?
Write the balanced net ionic equation for the reaction that occur in the following case. and identify the spectator ion(s) in this reaction Cr2(SO4)3(aq)+(NH4)2CO3(aq)
The solubility of AgBrO3 in aqueous solution depends on the presence of other substances in solution. Relative to its solubility in H2O the solubility of AgBrO3 is ______ in 0.10 NaBrO3(aq) and ____ in 0.10 M AgNO3(aq).
Calculate the equivalent number of moles of potassium permanganate? 3) calculate the clarity of the potassium permanganate solution?
State complete equation for the reaction that occurs when the two solutions are mixed.
When calcium carbonate is added to the solution of organic acids, the following compounds form: calcium methanoate salt from the methanoic acid; calcium ethanoate from the ethanoic acid; and calcium phenoxide salt from the phenol.
You add an excess of Ca(OH)2 to water maintained at a particular temperature, stir until the solution is saturated, filter, then determine the [OH-] in the solution by titration with acid
What is the pH of a solution that contains 0.33 M HC2H3O2 and 0.30 M C2H3O2-. Use Kb = 5.6 x 10-10, for C2H3O2
What are the Russell Saunders term symbols for Thorium and how would I go about finding it
Capsaicin, the compound that gives the hot taste to chili peppers, has the formula C18H27NO3. (a) Calculate its molar mass.
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