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1) A saturated solution of lead iodate in pure water has a lead ion concentration of 4.0 x 10¯5 mole per liter at 25 °C
(a) Calculate the value for the solubility-product constant of Pb(IO3)2 at 25 °C
(b) Calculate the molar solubility of Pb(IO3)2 in a 0.10-molar Pb(NO3)2 solution at 25 °C
(c) To 333 milliliters of a 0.120-molar Pb(NO3)2 solution, 667 milliliters of 0.235-molar KIO3 is added. Does a precipitate form? Calculate the concentration of Pb2+ and IO3¯ in the solution at equilibrium at 25 °C
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed.
Calculate the reaction Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g) What mass of ZnCl2 (MW = 136.3 g/mol) can be prepared from the reaction of 3.27 grams of zinc
What volume of .2 M Na2SO4 will completely react with 50 mL of .135 M Ba(NO3)2
A 15.0 grams lead ball at 25.0 celcius ws heated with 40.5 Joules of heat. Given the specifc heat of lead is 0.128 J/ grams. celsius, what is the final temperature of the lead?
A gas occupies 672 mL at 785 mmHg. What volume would it occupy at 453 mmHg at constant temp??
To whats volume in liters must 105 mL of hydrochloric acid containing 47.5g of HCl be diluted to make a 1.05M solution ?
A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds in their respective molar ratios.
When 10.0 g of NH3 reacts, the actual yield of N2 is 8.50 g. What is the percent yield?
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine?
50.0 mL of a 1.70 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 185 mL of water. What is the final concentration
2.00 moles of a gas occupies 62.2 L at a particular temperature and pressure. Its density is 0.900 g/L. The standard molar volume is 22.4 L/mole. What is the molar mass.
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