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A solution is prepared by mixing 50.0 ml of 0.10 MPb(No3)2 with 50.0 mL of 1.0 M KCl. Calculate the concentrations of PB+2 and Cl- at equilibrium(ksp=1.6 times 10^-5)
Predict the rate of change in the concentration of N2O over this time interval. In other words, what is dt [N2O]/ dt?
if you had excess chlorine how many moles of of aluminum chloride could be produced from 17 grams of aluminum
Enough Al2(SO4)3 solid is added to water to prepare 100.0 mL of a 0.150 M solution of aluminum sulfate. What is the concentration of sulfate ion in solution?
A 2.52- sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess to yield 4.36 of and 0.892 of as the only carbon and hydrogen containing products respectively.
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
at 25 degrees C a saturated solution of a metal hydroxide has a pH of 9. What is the value of the solubility-product constant (Ksp) of M(OH)2 at 25 degrees C?
Aluminum metal dissolved in hydrochloric acid as follows: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g)
Explain why it is appropiate to group a polyatomic ion in parenthses in a chemical formula, if more than one of that ion is present in the formula.
Calculate the energy in joules and calories required to heat 5.25 g of water from 5.5 oC to 64.8 oC.
what is the pH of a solution made by mixing 30.00mL of .10M acetic acid with 40.00 mL 0f .10M KOH? Assume the volumes are additive and Ka=1.8*10^-5 for CH3CO2H
How much time (in minutes) will it take for the water heater to heat the 5.5 Liters of water from 23 Celsius to 49 Celsius?
calculate the change in entropy that occurs when 18.53 g of ice at -10.7°C is placed in 54.05 g of water at 100.0°C in a perfectly insulated vessel.
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