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Calculate the molarity of Ag in a solution resulting from the mixing of 30 mL of a 0.0250 M AgNO3 solution and 11.51 mL of K2CrO4 that is 0.0697M
When heating the acetone in a water bath, why must there be a hole in the foil cap
A metal object with a mass of 19 g is heated to 96 degree celcious, then transferred to a calorimeter containing 75 g of water at 18 degree celcious
A dead alkaline battery is found to contain a compound of Mn and O. Its analysis gives 69.9% Mn and 30.4% O. What is the empirical formula for the substance.
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0205 oC. Calculate the percent ionization of the weak acid, HA.
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
Calculate the total enthalpy change in the first stage and in both stages
A sample of calcium nitrate, Ca(NO3)2, with a formula weight of 164 g/mol, has 5.00 x 1025 atoms of oxygen. How many kilograms of Ca(NO3)2 are present
If 450 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?
If the speed limit is 75 mph, could the driver of the car reasonably evade a speeding ticket by invoking the Heisenberg uncertainty principle?
What is the stoichiometric relationship between IO3- and I2? b. What is the stoichiometric relationship between I2 and S2O3 2-? c.
If a 180 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.51.0 , what is the average thickness of the sheet in meters?
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq)
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