Determine the volume of ncs- is needed for the titration
A 25.00 ml portion of 0.100 Ag+ is added to a solution which is having the 0.0010 mole of Cl-. This solution is then titrated with the 0.0500MNCS- to the end point. Determine the volume of NCS- is needed for the titration.
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Explain which has a higher molarity of K+ ions when an aqueous solution that is 15ppm in KBR or an aqueous solution that is 9ppm in K2CO3
A chemist observed that it would not readily dissolve in HCl, Solid black CuS is exceedingly insoluble, but would react with concentrated HNO3 resulting in a solution containing Cu2+, among other things.
A mixture which is having 0.3 g of CuCl and Cu (IO3)2 is made. The mixture is 46% Cu(IO3)2 and 54% CuI. At 20 deg C if the solubility of CuI is 0.0072g per 100.0g of water and the solubility of Cu(IO3)2 is 0.4 g per 100.0g of water at the 20deg C.
A sample which is having 0.1219 g of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 1769 J/°C when the calorimeter contains exactly the 241 g of water, and the temperature increases by the 1.126°
Determine the maximum concentration of NCS- ion can exist in solution before AgNCS begins to precipitate. Suppose you start to add thiocyanate ions to a solution in which themolarity of the silver ion are initially 0.1M.
If Thomlin Company uses the predetermined overhead rate based on machine hours for applying overhead, find that overhead rate?
An airplane is pressurized to 650 mmHg, which is the atmospheric pressure at a ski resort at 13,000ft altitude if air is 21% oxygen; determine the partial pressure of oxygen on the plane?
She took a representative 250 mL sample of the water for analysis by the Winkler method. An environmental chemist is concerned about dissolved oxygen levels in a nearby pond.
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