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Solid lead(II) sulfide reacts with aqueous hydrochloric acid to form solid lead(II) chloride and dihydrogen sulfide gas. Express the answer in a balanced chemical equation with all phases identified.
FeCl2 is water soluble. what ions are formed when this compound dissolves in water. If the solution is 0.255 M FeCl2 what is the molarity of each ion in aqueous solution
Calculate the pH of a solution formed by mixing 10.0 mL of 0.100 M HBr with 20.0 mL of 0.200 M HCl.
Benzene is a trace component of gasloine. What is the mole ratio of benzene to n-octant in the vapor above a solution of 40.0% benzene and 60.0% n-octane by the mass
Quantum number representations - What are the possible values of the four quantum numbers for one electron in a 5d orbital?
three gases hydrogen argon and methane are confined in a 9.00 l vessel at a pressure of 14.0 atm. the vessel contains
A saturated solution of lead (II) bromide is prepared by dissolving the solid in water. the concentration of lead (II) ion in the solution is found to be 0.0115 M What is Ksp for this compound
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation
The molar mass of CsCl is 2.88 times the mass of NaCl, and the edge length of the unit cell for NaCl is 1.37 times the edge length of the CsCl unit cell. Determine the ratio of the density of CsCl to the density of NaCl.
Show how you would synthesize meso-2,3-butanediol from acetylene and any compounds containing no more than four carbon atoms.
To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 17.3 g, and its initial temperature is -14.4 °C.
What is the pH of a solution made by dissolving 46 g of acetic acid in enough water to make 700 mL of solution. Ka = 1.8 x 10^-5
Home ice cream makers use ice to cool a concentrated NaCl solution below the normal freezing point of water. What molal concentration of salt is needed to lower the freezing point to -3.97 C?
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