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Precipitation titration of a 25.0mL of AgNO3 aliquot analyte with 0.0230 M KCl requires 1.50mL of the titration to reach equivalence. Find out the pAg+ at the following points of the titration and sketch the resulting pAg+ vs mLs of KCl added. Ksp of AgCl = 1.8x10-10
a) Vkcl = 7.00 mLs
b) Vkcl = 15.50 mLs
c) Vkcl = 18.50 mLs
how does an acidic buffer solution reacts when we add strong acid or base to it? and what are the diffrences in the
Explain a 368-g sample of water absorbs infrared radiation at 1.06x10^4 nm from a carbon dioxide laser. Presume all the absorbed radiation is converted to heat compute the number of photons at this wavelength needed to raise the temperature of wat..
An unknown metal is found to have a density of 19.300g/cm^3 and to crystallize in a body-centered cubic lattice. The edge of the unit cell is found to be 0.28864nm. Calculate the atomic mass of the metal
an ideal gas is in a cylinder with a volume of 250.0 ml at a temperature of 25 ordmc and a pressure of 700 torr. the
How many moles of NaBrO should be added to 1 l of 0.200 M hypobromous (HBrO) acid to obtain a buffer of pH 8.80 (assume no volume change occurs when solid NaBrO is added)? The pka of the acid is 8.70.
Mass of mineral sample = 0.123 g The Na2SO4 in the sample is converted to insoluble BaSO4. The mass of BaSO4 is 0.177 g What is the mass percent of Na2SO4 in the mineral?
2.00 moles of a gas occupies 62.2 L at a par- ticular temperature and pressure. Its density is 0.900 g/L. What is the molar mass?
On average, cow milk is 4.7%(w/w) lactose. The molecular weight of this disaccharide is 342.3g C12H22011. Assuming milk has the density of water.
what is the standard emf you would obtain from a cell at25oc using an electrode in which i-nbspaq isin contact with i2s
In the stepwise trihalogenation process of the methyl group in acetophenone the methyl group is initially deprotonated. This deprotonated species which bears a negative charge on the carbon atom is stabilized by resonance.
If a gas expands against a constant external pressure of 0.9 bar until its volume has amplified from 2.2 L to 6.2 L. During this process it absorbs 760.0 J of heat from the surroundings. Compute the energy change of the gas.
How many grams of Cl2 can be prepared from the reaction of 16 g of MnO2 and 30 g of HCl according to MnO2 + 4 HCl = MnCl2 + Cl2 + 2H2o
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