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What volume of 0.1500N reagent is needed for the preparation of 500.00 ml 0.100 N solution? (Note that in this problem it is not necessary to know what the reagent is. Since the normality is given, the computation does not in any way depend on whether the solution contains an acid, base, or salt)
What was the original concentration of the NaOH solution - How many grams of glucose are present in solution?
What is the pH of 5.0756mg barium hydroxide octahydrate in4.6 liters of water, and the pH of 0.19789g dihydrogen sulfate in 374mL of water both are separate and at 25 degrees C with nothing else present, assume no change of volume and or temp.
What is the exact alkalinity of a water that contains 0.6580 mg/L of bicarbonate, as the ion, at a pH of 5.66? No carbonate is present.
Cheap soaps sometimes leave skin feeling/looking dry, and in some cases, raw and blistered. What might cause this effect
Identify the nuclide produced when americium-241 decays by alpha emission, 241 / 95 Am→ 4 / 2 He + ? Express your answer as an isotope using prescripts.
Assume 6.9 g of sulfuric acid is mixed with 3.92g of sodium hydroxide. Compute the maximum mass of sodium sulfate that could be produced by the chemical reaction.
At a certain temperature the solubility of cadmium fluoride, CdF2, is 0.136 M. Compute its solubility product constant for this temperature.
A gas expands and does P-V work on the surroundings equal to 283 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system
Which statement best desrcibes the energy change as bonds are formed and broken in this reaction ?
Question- Hydrogen atoms are excited by a laser to the n = 4 state and then allowed to emit. What is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system
Question- From an IR spectra of 4-tert-butylcyclohexanone, can I determine if I have a mixture of both cis and trans isomers? Why or why not? From the melting point of the same compound, can I determine if I have a mixture of these isomers? Why or..
To find the pKa of X-281, make a 0.089M test solution of X-281. Explain the pH of the solution is determined to be 3.00. Define what is the pKa of X-281
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