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12.50mL of 0.100mol/L NaOH is needed to neutralize 50.00 mL of anitric acid solution.Write a chemical equation for this  reaction and calulate the molar concentration of the nitric acid solution
What is the final pH of the solution when 15.0 mL of 0.121 mol/L NaOH(aq) and 35.0 mL of 0.181 mol/L HNO2(aq) are mixed? Assume the temperature is 25oC.
Draw a graph that shows the relative energy of the conformer as a function of the torsional angle. Make sure that you clearly label which conformer corresponds to which position on the graph
Calcium in blood or urine can be determined by precipitation as calcium oxalate CaC2O4. The precipitate is dissolved in strong acid and titrated with potassium permanganate. The products of the reaction are carbon dioxide and Manganese ii ions.
Calculate the pH at the equivalence point in titrating 0.110 M solutions of each of the following with 7.0×10-2 M NaOH.
A sample of oxygen that occupies 1.00x10^6mL at 575 mmHg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held constant?
k=2,2 . 10^-3 for the following rxn: 2H2S(g)2H2(g) + S2(g) a) calculate the synthesis of one mole of H2S from H2 and S2 gases b) the decomposeosition of one mole of H2S gas
a object of 50.0 grams agsilver is combined to 75.5 milliliters of nbsph2o water contained in a graduated cylinder.
2816 g sample of KHP required 29.68 ml of sodium hydroxide to reach the phenolphthalein point. calculate the molarity of the NaOh solution.
An indicator has a pKa of 5.7 . It is colorless in acid solution and deep green in alkaline solution.
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
what is the density of 53.4 wt% aqueous NaOH if 16.7 mL of the solution diluted to 2.00L gives 0.169M NaOH
Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 moles of aluminum sulfate Al2(SO4)3 . Express the number of moles of Al, S, and O atoms numerically, separated by commas.
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