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Zinc phosphate (Zn3(PO4)2) has a solubility product constant Ksp = 9.0 x 10^-33. What is the solubility of zinc phosphate in... a) ...pure water? b) ...0.02 M ZnCl2? c) ...0.005 M Na3PO4?
What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)
The standard cell potential for the electrochemical reaction is 1.10V. Calculate the cell potential if the concentration of zinc ion and copper ion are 0.050M and 5.0M respectively at room temp.
Calculate the pH for each of the following cases in the titration of .50 mL of .150 M hypochlorous acid, HCLO(aq)
A lab rat weighs 265 grams and absorbs 1.67*10^13 beta particles eash with an energy of 2.2*10^13u. If relative biological effectiveness is .75 what is the dose. a)1.04*10^-2 sV b)1.3*10^-2 sV c)1.04*10^-5 sV d) 1.39*10^-5 sV e)6.23*10^-13 sV
effuses through a hole in a plate in the same amount of time it takes 20.54 mL of another gas to effuse through the same hole under the same temperature and pressure conditions. Determine the molar mass of the unknown gas.
When 35.6 L ammonia and 40.5 L oxygen gas react at STP, NO(g) and water are produced. How many grams of NO(g) are produced assuming 100% yield?
Determine the mass of H 2 O is formed if oxygen of 10.0L react completely in the given equation?
What was the applied pressure at the end of this process if the final concentrations of the solutions were 0.053 M and 0.150 M at a temperature of 23 degrees C
Suppose you carried out two reactions in sequence. In the first reaction you hydrated 1-butene and in the second reaction you dehydrated the products of the of the first reaction. Which of the following would not be found in the equilibrium mixtur..
If, in a certain experiment, over a specific time period, 0.0039 mol PH3 is consumed in a 1.8-L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?
What is the empirical formula of a substance that contains 0.183 mol of carbon, 0.367 mol of hydrogen, and 0.183 mol of oxygen
Draw all the isomers you can come up with the formula C10H12O2. Must contain a benzene ring and a double bond. Also, much contain 8 unique carbon types.
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