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We add excess Na2CrO4 solution to 16.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.380 grams. What is the molarity of the AgNO3 solution?
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl
0.25 g of hydrogen chloride HCl is dissolved in water to make 8.0 L of solution. What is the pH of the resulting hydrochloric acid solution?
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.
What is the identity of the atom A When a solution containing .634 grams of ACl 3 was permitted to combine with an excess of aqueous silver nitrate AgNO 3
Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
Show the Chemical behavior of an atom - The chemical behavior of an atom is determined by most directly by the
A compound containing only carbon, hydrogen, and oxygen is subjected to elemental analysis. Upon complete combustion, a 0.9294-g sample of the compound
A 13.4-g sample of CaCl2 is dissolved in 109 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution
Calculate the entropy change when 100 g of argon is heated and compressed from 300 K, 1.0 atm, to 900 K, 17 atm
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation.
A gas was enclosed in a rigid-walled container. The initial temperature and pressure were 52°C and 0.55 atm, respectively. If the final pressure were 2.41 atm.
CO(g) + 2H2(g) = CH3OH(g) , what is the equilibrium constant? , where CH3OH = 0.0412 atm, H2 = 0.274 atm, CO = 0.914 atm.
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