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A solution was prepared by mixing 10.00ml of unknown(X) with 5.00ml of standard(S) containing 8.24 ug S/ml and diluting the mixture to 50.0ml. the measured signal quotient was (signal due to X/signal due to S) =1.690/1.000.
What mass of sucrose should be combined with 483 of water to make a solution with an osmotic pressure of 8.50 at 320 ? (Assume the density of the solution to be equal to the density of the solvent.)
Which of the following is a property of acid solutions?
Emergency treatment of cardiac arrest victims sometimes involves injection of a calcium chloride solution directly into the heart muscle
When pure nickel is burned in carbon monoxide the compound nickel carbonyl Ni(CO)4 is formed. Write and balance the equation. How many grams of carbon monoxide is used for every gram of nickel metal burned
How much heat energy is required to raise the temperature of 0.367 kg of copper from 23.0 degrees C to 60.0 degrees C? The specific heat of copper is 0.0920 cal/(g*C)
how does temperature affect the equilibrium constant of the reaction between ethanoic acid and ethanol (condensation reaction at room temperature and pressure.
a student prepared a stock solution by dissolving 10.0g of koh in water to make 150. ml of solution. she then took 15.0
a 4 g sample of the hydrated crystal baoh2bull chih2o is heated until all the water is removed. the remaining solid
A sample of sodium reacts completely with 0.142 kg of chlorine, forming 234 g of sodium chloride. What mass of sodium reacted?
How many grams of KCl are contained in 750.0 mL of a 0.250 Molarity solution
How much heat is liberated by the combustion of 183 g of hydrogen? ΔHcomb = -286 kJ/mol.
A solution containing 80 g of KCl in 200 g of water at 50 0 C is cooled to 20 0C, a) How many grams of KCl remained in solution at 20 0C and b) How many grams of KCl crystallized out
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