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Calculate the voltage of the cell2Ag+(aq) (0.200 M) + Cu(s) Cu2+(aq) (0.080 M) + 2Ag(s)Eocell = 0.460 V
Consider the following on data on Bell Lake, Based on the Ksp for Al(OH)3 of 1 x 10-33 what are the highest theoretical concentrations of Al3+ at these pH values, in µg /L?
Calculate the concentration of a solution of FeCl3 was prepared by dissolving 13.86 gm of FeCl3 in 2.5L of water.
Determine the percent yield if a student decomposes H 2 O to Form hydrogen (H) and oxygen(O). If the student starts with 34.7 grams of H2O and collects 20.0 grams of oxygen,
Just transfer this solution completely to a flask of 1L volumetric and dilute to exactly 1 liter and then compute the Fe 2+ ion concentration.
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 2.5-cm rainfall of pH 2.00 over an area of 100 square kilometers?
Calculate empirical formula of this compound & molecular formula and calculate the molality of solution of sulfuric acid?
Suppose a piece of silver jewlery contains 5.00 * 10^22 of silver. how many dozens of silver atoms are in the piece of jewlery.
A water sample has a pH of 8.21 and a total calcium concentration of 143 ppm. What is the total alkalinity of the water?
What would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in state, C= 12.47 J/Kmol.?
Determine the pH of the solution resulting from the combination of 40.0 mL of 0.200 M Perchloric acid and what is the mass in mg
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
The volume of the gas is measured 201 mL at .989 atm. compute the number of grams of Na used in the reaction if Vapor pressure of water = 0.0277 atm
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