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If 5.00 ml of a solution containing .0400 M iron is placed in a 100.0 ml volumetric flask and filled to the mark with deionized water, what will be the concentration of iron in this new solution?
a 309 ml sample of unknown hcl solution reacts completely with na2co3 to form 10.1 g co2. what was the concentration of
Draw the following containing 3 carbon atoms- aldehyde,alcohol,amine,ether,carboxylic acid and ketone
What weight of sodium acetate, NaCO2CH3, must be added to 500.0 mL of 0.500 M acetic acid HCO2CH3 to produce a buffer solution
The activation energy for the denaturation of a protein is 391.0 kJ/mole. At what temperature will the rate of denaturation be 19 percent greater than its rate at 25.00 degrees Celsius?
A 25.0-mL sample of 1.00 M NH3 is titrated with 0.15 M HCl. What is the pH of the solution after 15.00 mL of acid have been added to the ammonia solution? Kb = 1.8 × 10¯5
Calculate the systematic treatment of equilibrium. Remember C2O4^2- is a weak base so you must consider other equilibria. (Ksp(ZnC2O4)=7.5X10^-9, Kb1=1.8X10^-10, Kb2=1.8X10^-13). Solve using systematic treatment of equilibrium.
calculate the mass of nitrogen dissolved at room temperature in an 94.0 home aquarium. assume a total pressure of 1.0
What is the Ag+ concentration when BaCrO4 just starts to precipitate? The Ksp for Ag2CrO4 and BaCrO4 are 1.1 x 10-12 and respectively.
Assume three significant figures and an average wavelength of 504 nm for solar radiation. A green leaf has a surface area of 2.00 cm^2
what volume of rmo2 gas in rm l measured at 795 rm mmhg and 33circ rm c is required to completely react with 54.0 rm g
35.00ml of a .500 M HCl was mixed with 25.00ml of a .500 M NaOH. What is the pH of the solution after mixing?
Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.
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