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What is the concentration of NaOH solution that requires 12.01 mL of NaOH solution is required for complete reaction to the indicator endpoint with 0.0542 g KHP?
a sample of 0.600 moles of metal M reacts completely with excess of flourine to form 46.8g of MF2. How many moles of F are present in sample of MF2 that forms?
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
Find pH of A mixture formed by adding 44.0 mL of 2.5×10-2M HCl to 150mL of 1.5×10-2 M HI.
initially a 1.0 l container is filled with 2.0 mol of no2. as the system approaches equilibrium what happens to the
Calculate: Solution Density Mass fraction and % (sodium acetate) Mole fraction (sodium acetate) Molarity molality molality of solute particles
Hydroxylamine hydrochloride is a powerful reducing agent which is used as a polymerization catalyst. It contains 5.80 mass % H, 20.16 mass % N, 23.02 mass % O, and 51.02 mass % Cl. What is its empirical formula?
A 28.0-g sample of water at 250. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
If, at constant pressure, the absolute temperature of a flask equipped with a moveable piston is reduced to half its original absolute temperature, what must be the new volume? A) 1/4 the original volume B) 1/2 the original volume
The molar solubility of Pb(IO3)2 in a 0.10 M NaIO3 solution is 2.4x10-11 mol/l. What is kspfor Pb(IO3)2
Decribe how adding a solution of KOH to the original sulfide precipitate results in the separation of Sn4 ion from the other group II cations.
It is often useful to be able to anticipate, without doing a detailed calulation, whether an increase in temperature will result in a raising or a lowering of a reaction enthalpy. The constant-pressure molar heat capacity of a gas of linear molecu..
If 19.4 grams of an aqueous solution of sodium bromide, NaBr, contains 1.69 grams of sodium bromide, what is the percentage by mass of sodium bromide in the solution
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