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what is the concentration of H+ ions in a solution of hydrocholoric acis that was prepared by diluting 15.0 mL of concentrated (11.6 M) HCL to a filal volume of 500 mL?
if the molarity of the HCl solution was actually greater then the lable indicated would it affect the calculated value for the number of moles of HCl that reacted.
2Al(s) + 2KOH(aq) + 4H2SO4(aq) + 22H2O(l) = 2AlK(SO4)2.12H2O(s) + 3H2(g) How many moles of H gas will evolved when 6 moles of Al react with excess KOH, H2SO4 and water?
Radioactive nitrogen-13 has a half-life of 10 minutes. After 40 minutes, how much of this isotope would remain in a sample that originally contained 96 mg?
What would the pH of a raindrop be if the concentration of CO2 increases to 600 ppm at 20 degrees C? Show all steps.
The original conditions in a container filled with gas at constant temperature are 183 mL and 310 mmHg. The desired new volume is 90.6 mL.
Describe the procedure for preparation of 250 cublic cm of aqueous sulphamic acid of accurately known concentration.
A saturated solution of this substance was made in 0.01 M KlO3. The copper concentration was found to be 0.0012M. Determine the [IO3^-] and the Ksp of the substance.
calculate the concentration of each diluted reactant in the 50.0ml volumetric flask. then calculate the concentration of each reactant in the reaction beaker before any reaction has occured.
What does the volume correction constant (b) in the van der Waals equation represent? Why is b for helium small (b = 0.0238 L /?mol) compared to b for decane (C10H22, b = 0.3043).
There is a peak in the middle of the graph with 0.40 for absorbance and 525 for wavelength. What is the wavelength of maximum absorbance?
The distribution coefficient, K= conc. in ligroin/conc. in water, between ligroin and water for solute A is 7.5. what weight of A would be removed from a solution of 10g of A in 100 mL of water.
If the partial pressure of oxygen in the atmosphere is 0.20 atm, what is the soluability of dissolved oxygen in blood? Recall that soluability constant of oxygen
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