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Write the net ionic equation for the following reactions: a. The precipitation of manganese (II) hydroxide b. The reaction that occurs when sodium fluoride is added to a solution containing iron (III) ions and cobalt (II) ions. c. The reaction that occurs when hydrochloric acid is added to a solution containing tetraammine zinc (II) ion.
If the pressure of chloroform vapor in a flask is 154 mm Hg at 25.0°C, and the density of the vapor is 1.25 g/L, what is the molar mass of chloroform?
Hexane has a density of 0.659g/mL to the third at 20 degrees C. How many mL are needed to have 30.0g of liquid.
What would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in state, C= 12.47 J/Kmol.?
If you take a 10.5mL portion of the stock solution and dilute it to a total volume of 0.350 L, what will be the concentration of the final solution.
A calorimeter temperature increased by 0.45 0C after adding 30 joule OF ENERGY TO IT BY ELECTRICAL HEATING and the temperature increased by 7.3 0C when 0.10 grams of HCl is neutralize in the same calorimeter now determine the specific heat of neut..
51.1 g of a substance X dissolves in enough water to make 0.754 L of a 0.579 M solution. Calculate the molar mass of X in g/mol
What characteristic absorption bands would you expect to find in the infrared spectrum of caffeine?
what is the expected boiling point of a brine solution containing 30.00g of KBr dissolved in 100.0g of water?
Energy of visible photos and breaking of the bond in AgI, The silver iodine bond energy is approx 255kJ/mol. (AgI is one of the active components in photograpgy sunglasses.)
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
What was the volume of the aluminum cylinder in cm3? The mass of the aluminum cylinder was determined to be 30.1 grams. What is the density of the aluminum?
The [H3O+] is 1*10-6M in a solution. Calculate the [OH-]
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