Calculate the molar concentration of ions in a solution
Assuming 100% dissociation,
a) Calculate the molar concentration of H+ ions in a solution made by diluting 25 mL of 0.1 M HNO3(aq) to 500 mL with pure water.
b) Calculate pH and pOH of the solution.
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Octane is a compound that has less volatility than isobutane and "n"-butane. Explain using structures of each compound.
A 2.45 g sample of a gaseous oxide of nitrogen occupies a volume of 1.34 L at 28°C and 745 mmHg. What is the most likely formula for the gas. A. NO B. N2O4 C. N2O D. NO2
If you have 44.6 g of carbon tetrachloride, how many atoms of chlorine do you have? How many grams of sulfur hexafluoride would you need to have 5.25 x 1024 fluorine atoms?
Write the balanced nuclear equation for the formation of 241/95 Am through beta decay
For each mole of glycine that burns, 973.49 kJ of heat is liberated. Use this information, plus values of ΔHf° for the products of combustion, to calculate ΔHf° for glycine.
Calculate the pH for each of the following points in the titration of 50.0 mL of a 1.5 M H3PO3(aq) with 1.5 M KOH(aq)
NaCl(aq) + H2O(l) Cl2(g) + H2(g) + NaOH(aq) (b) How many moles of NaOH(aq) are formed in the solution in this process? _ moles of NaOH(aq) are formed.
Describe the difference between the temperature vs time cooling curve of a pure substance and a solution.
In a 100 ml sample of buffer solution made of propanoic acid concentration .35M and sodium propanoate concentration .5M some NaOH is added. .0040 mole of solid NaOh is added Calculate pH of solution
A bimolecular reaction is found to be 1st order with respect to both reactants. If the rate of reaction is 1.87 mol/L ·s at 25 oC, what is the reaction rate if both reactant concentrations are doubled? A) 7.48 mol/L ·s B) 46.8 mol/L
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