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The hydrogen phosphate ion is the conjugate acid of the phosphate ion.
A. State the balanced chemical equation and the Ka expression for the dissociation of aqueous hydrogen phosphate.
B. State the balanced chemical equation and the Kb expression for the reaction of the aqueous phosphate ion with water.
C. Utilizing the balanced chemical equations in parts A and B, the Ka expression, and the Kb expression, show that Kw = KaKb
Explain when sodium metal comes into contact with water, hydrogen bubbles out of the solution (presenting a potential fire hazard)- 2 Na(s) + 2 H2O ? 2 NaOH(aq) + H2(g)
What is the chemical name for CuSO4? a. Copper sulphate b. Copper sulphur oxide c. Copper (II) sulphate d. Copper (I) sulphate
what is the literature value for the Ksp of potassium hydrogen tartrate in water at 10, 22.5, 35, 50 degrees?
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 24.0 of carbon were burned in the presence of 75.4 of oxygen, 11.4 of oxygen remained unreacted. What mass of carbon dioxide was produced
The heat capacity of the calorimeter is 12.1 J/K. From this data compute the pH for the process. Presume the specific heat and density of the solution after mixing are the same as those of pure water. CuSO4(1M) + 2KOH(2M) to form Cu(OH)2(s) + K2So4..
A voltaic cell is based on the reaction Sn(s)+ I2 (s) --> Sn^2+ (aq)+ 2I^- (aq). Under standard conditions, what is the maximum electrical work, in joules, that the cell can accomplish if 70.0 g of Sn is consumed?
how many sigma bonds and pi bonds, respectively, can be formed by a carbon atom that is sp hybridized
one gram of solid calcium sulfate caso4s is added to 500 ml of pure water. immediately the solid begins to dissolve
solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.719 V. If the silver-silver chloride electrode is replaced with a saturated calome..
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