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Problem- What volumes of 0.01 M HCl are required to titrate 250 mL of 0.01 M Na2CO3 to the first equivalence point?
Please provide the answer of the given question on urgent basis
Explain why is it necessary to determine the temperature during the determination of the density of the sodium chloride solutions. Which factor, mass or volume utilized in calculating the density would be affected by temperature. Explain.
A copper storage tank containing dilute H2SO4 at pH 0.1 is blanketed with hydrogen at 1 atm. Calculate the maximum Cu(2+) contamination os the acid in moles Cu(2+) per liter. What is the corresponding contamination if the hydrogen partial pressure..
Compare the experimental mole ratio of NaHCO3 to NaCl with the theoretical mole ratio. Explain the difference. The experimental mole ratio is 1:1.
A solution transmittance is 35% at 260 nm. What will the solution absorbance be if you dilute 25.0 ml
When 0.941 mol of gaseous HI is sealed in a 1.00-L flask at 225°C, it decomposes until the equilibrium amount of I2 present is 0.171 mol: 2HI(g) ? H2(g) + I2(g) Use these data to calculate Keq for this reaction at 225°C
Three sparingly soluble salts, MA, MA2, and MA3, all have Ksp = 1.5 x 10-7. Determine which of these three has the highest molar solubility in water? a) MA, b) MA2, c) MA3 ,d) They are all equally insoluble.
Draw a phase diagram labeling all the above points. Also label the melting point curve, the boiling point curve, and the solid, liquid, and gas regions.
Explain how micelles and more complex solutions work. Consider all Solute-Solute, Solvent-Solute and Solvent-Solvent interactions in such a system.
In less than a 150 words, explain why swirling or shaking a solution and its drying agent hastens the drying process.
Would Fischer esterification be a useful process for converting fumaric acid into its mono methyl ester
They were oxidized to convert all the sulfur to sulfate ion, which was precipitated by adding an excess of barium chloride solution. The mass of BaSO4 obtained was 0.5032g. What is the average mass percent of saccharin in the tablets
A compound contains only carbon, hydrogen and oxygen. Combustion of 7.30 mg of the compound yields 10.68 mg of carbon dioxide and 4.37 mg of water. What is the empirical formula of this compound
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