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A 14.8 g mixture of sodium carbonate and sodium bicarbonate was dissolved in enough water to make 400 mL of solution. When the 400 mL of solution was treated with an excess of 2.00 M sulfuric acid and boiled to remove all the gas in solution, 3.73 L of dry carbon dioxide gas measured at 740 mm Hg and 22 C were obtained. Calculate the molarity of the sodium carbonate and sodium bicarbonate in the 400 mL of solution
A piece of copper has a volume 640 L. How many atoms does the sample contain.
calculate the pH a solution that contains 0.800% C5H5N by mass and 0.815% C5H5NHCl by mass
A voltaic cell consists of Pb/Pb2+a half-cell and a Cu/Cu2+ half-cell at 25 . The initial concentrations of and are 5.10×10?2 and 1.60 , respectively. What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.360 V?
suggest at least one characteristic absorption each in the ir spectra of 9-flurenone and 9-hydroxyfluorene that could
explain how to find distinct terminal alkynes.
When 1 mol of Fe2O3(s) is formed by combustion of Fe(s)with O2(g), 824 kJ of heat is liberated. By this reaction, how many mol of Fe should be consumed in order to liberate 100. kcal of heat
we will titrate 50.0ml of 0.200m nh3aq pkb 4.76 with 0.200m hclaq.a. what is the initial ph of 50.0ml of 0.200m nh3aq
Under certain conditions, the substance ammonium nitrite can be broken down to form nitrogen and water. If 32.4 grams of ammonium nitrite react to form 14.2 grams of nitrogen
When doing the kinetic trial, Peyton mistakenly omitted the starch solution from the kinetic trials. How will this omission change the appearance of the resultant solution (from mixing solutions A&B)
calculate the standard Molar Enthalpy Change for the reaction in the reaction endothermic or exothermic
When 2-bromopropane reacts with ethoxide ion, two products are formed; one is the product of Sn2 substitution and the other is the product of E2 elimination.
What is the molarity of a HCl solution that contains 6.13 g of HCl in 352 mL of solution?
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