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Aluminum chlorhydrate is added to antiperspirants to stop people from sweating. If this compound contains neutral H2O molecules and Al3+, OH- and Cl- ions, and the formula of this compound is Alx(OH)5Cl 2H2O, what is the value of x in this formula?
1. 0.52. 13. 1.54. 25. 3
Develop a stoichiometry problem that includes finding a mass of reactant/product from another mass of reactant/product.
isopropyl alcohol c3h8o is sold in drug stores as rubbing alcohol. isopropyl alcohol is a water-soluble liquid with a
What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.
calculate the wavelength of the emitted radiation if an electron in a hydrogen atom went from n = 4 to n = 1. in what region of the electromagnetic spectrum(e,g.X-ray, visible, infrared) would this radiation lie?
What volume of O2 at 684 mmHg and 21 degree celsius is required to synthesize 25.0 mole of NO?
What is the molar solubility of the insoluble sulfate salt of tungsten(VI) in a 0.99 M Na2SO4 solution, if the Ksp value is 7.57×10-14. Recall that the molar solubility is the moles of salt per liter of solution.
Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte.a)LiClO4 b)HClO c)CH3CH2CH2OH d)HClO3 e)CuSO4 f)C12H22O11
What is the hydronium ion concentration of a 0.150 M hypochlorous acid solution with Ka=3.5x10^-8. The equation for the dissociation of hypochlorous acid is: HOCl(aq)+H2O>>>H3O+(aq) + OCL-(aq)
Use a table listing the ordinate and area for the normal or (gaussian) distribution error curve to find the fraction of a gaussian population within the following boundaries for each one
Calculate the net charge of Aspartic Acid. Its given that Aspartic acid has a pK1 COOH at 1.99 and also a pK2 NH3 group at 9.90
suppose a 5.00 L sample of diatomic oxygen at a given temperature and preesure contains 1.08x10^23 molecules. How many molecules would be contained in 5.00L of hydrogen?
what is the percentage protonation of the solute and calculate the ph of the solute in an aqueous solution of 0.611 m
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