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A titration of sulfates in a 5.00 mL sample of drinking water with 10.0 mM (millimolar) of barium acetate as the titrant is carried out. A microflow pump was used instead of a buret, set at a flow rate of 0.122 mL/min. After 200 seconds has passed, what is the concentration of sulfates in the drinking water sample.
which hydroxide precipitates first as NaOh is slowly added to the solution? b) what is the molar concentration of the first cation precipitated when the other cation just starts to precipitate out of solution?
If 329 g water at 65.7°C loses 9730 J of heat, what is the final temperature of the water?
what is the rate constant for this reaction at 398 K ? I know that the answer is 1.2 s-1 but I don't know how to get it . Can anyone explain it to me please?
In a chemical reaction (unbalanced equation), AsF3 + C2Cl6 -> AsCl3 + C2Cl2F4, the theoretical yield of C2Cl2F4 was calculated to be 1.86 mol. If the percent yield in the reaction was 77.2%,
Consider a rigid, adiabatic, impermeable cylinder (i.e., a closed isolated system) that consists of two chambers (i.e., simple systems) that are separated by a wall that is permeable
Determine what would be the concentration of the final solution If you take a ten mili litres portion of the stock solution and dilute it to a total volume of 0.250 Litres,?
Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions? I am a process engineer in wood pulping operation in which we use steam to digest hardwood chips. This is non-chemica..
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
The structure of HxWO3 could contain H+ ions or OH- ions. Which do you think is more likely? Why?
1.00 mole of pure Cl2 are placed in a 1.00-L container. If x moles of NOCl react, what is the equilibrium concentration of Cl2? Why is the answer C) 1 + x/2
How much heat (in kJ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of ice is 2.09.
An unknown organic compound has the empirical formula C2H2O. A solution of 3.775 g of the unknown compound dissolved in 12.00 g of water is cooled until it freezes at a temperature of 4.72°C.
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