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Calculate the [H3O+] of the following polyprotic acid solution: 0.340M H3PO4 . and calculate the ph 2) Calculate the [H3O+] and pH of the following polyprotic acid solution: 0.360M H2C2O4 and calculate the pH
calculate the final temperature of the gas mixture. Assume the heat capacities of the gases are constant and are given in Appendix B of your text.
a saline solution contains 150 mEq/L each of Na+ and Cl- how many moles of Na+ and Cl- are in 2.50L of the solution
Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite: MgCO3(s) => MgO(s) + CO2(g) ?Hrxn = 117.3 kJ What is ?H in kJ when 28.87 g of CO2 reacts with excess MgO?
required to exactly titrate the Fe2+ in a sample. How many moles of Fe2+ were in the sample?
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of BrO3- is doubled and that of Br- is doubled? Just put in the number as a whole number or fraction.
Citric acid, represented by H3Cit, is a triprotic acid. A student mixes together the following solutions in a styrofoam coffee cup: • 5.00 mL of 0.64 M citric acid
kinetic energy of 7070 J/mol under certain conditions, what is the root mean square speed of F2(g) molecules under the same conditions?
The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture?
Vanadium(V) Oxide reacts with calcium according to the chemical equation below. When 10.0 moles of V2O5 are mixed with 10.0 moles of Ca, which is the limiting reagent?
Show that the van der Waals and Redlich-Kwong equations of state reduce to the ideal gas equation of state in the limit
Concentrated hydrochloric acid is 12 M and has a density of 1.18 g/mL. Calculate the mass in grams of a 0.025 L sample of concentrated hydrochloric acid.
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